)]}' { "log": [ { "commit": "1021a645344d4a77333e19e60d37b9343be0d7b7", "tree": "7a78ab55f27f97209ed1b85ccfd88c6d5b8416d3", "parents": [ "7367f5b013fee33f7d40a5a10a39d5134f529ec8", "28957a5467bab9ed51a237d21e31055fad987887" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Aug 12 10:15:10 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Aug 12 10:15:10 2010 -0700" }, "message": "Merge branch \u0027hwpoison\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6\n\n* \u0027hwpoison\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6:\n hugetlb: add missing unlock in avoidcopy path in hugetlb_cow()\n hwpoison: rename CONFIG\n HWPOISON, hugetlb: support hwpoison injection for hugepage\n HWPOISON, hugetlb: detect hwpoison in hugetlb code\n HWPOISON, hugetlb: isolate corrupted hugepage\n HWPOISON, hugetlb: maintain mce_bad_pages in handling hugepage error\n HWPOISON, hugetlb: set/clear PG_hwpoison bits on hugepage\n HWPOISON, hugetlb: enable error handling path for hugepage\n hugetlb, rmap: add reverse mapping for hugepage\n hugetlb: move definition of is_vm_hugetlb_page() to hugepage_inline.h\n\nFix up trivial conflicts in mm/memory-failure.c\n" }, { "commit": "0fe6e20b9c4c53b3e97096ee73a0857f60aad43f", "tree": "3014636f2ed66fdebecb6f6bab338b39c3543a07", "parents": [ "8edf344c66a3f214d709dad1421c29d678915b3f" ], "author": { "name": "Naoya Horiguchi", "email": "n-horiguchi@ah.jp.nec.com", "time": "Fri May 28 09:29:16 2010 +0900" }, "committer": { "name": "Andi Kleen", "email": "ak@linux.intel.com", "time": "Wed Aug 11 09:21:15 2010 +0200" }, "message": "hugetlb, rmap: add reverse mapping for hugepage\n\nThis patch adds reverse mapping feature for hugepage by introducing\nmapcount for shared/private-mapped hugepage and anon_vma for\nprivate-mapped hugepage.\n\nWhile hugepage is not currently swappable, reverse mapping can be useful\nfor memory error handler.\n\nWithout this patch, memory error handler cannot identify processes\nusing the bad hugepage nor unmap it from them. That is:\n- for shared hugepage:\n we can collect processes using a hugepage through pagecache,\n but can not unmap the hugepage because of the lack of mapcount.\n- for privately mapped hugepage:\n we can neither collect processes nor unmap the hugepage.\nThis patch solves these problems.\n\nThis patch include the bug fix given by commit 23be7468e8, so reverts it.\n\nDependency:\n \"hugetlb: move definition of is_vm_hugetlb_page() to hugepage_inline.h\"\n\nChangeLog since May 24.\n- create hugetlb_inline.h and move is_vm_hugetlb_index() in it.\n- move functions setting up anon_vma for hugepage into mm/rmap.c.\n\nChangeLog since May 13.\n- rebased to 2.6.34\n- fix logic error (in case that private mapping and shared mapping coexist)\n- move is_vm_hugetlb_page() into include/linux/mm.h to use this function\n from linear_page_index()\n- define and use linear_hugepage_index() instead of compound_order()\n- use page_move_anon_rmap() in hugetlb_cow()\n- copy exclusive switch of __set_page_anon_rmap() into hugepage counterpart.\n- revert commit 24be7468 completely\n\nSigned-off-by: Naoya Horiguchi \u003cn-horiguchi@ah.jp.nec.com\u003e\nCc: Andi Kleen \u003candi@firstfloor.org\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nCc: Mel Gorman \u003cmel@csn.ul.ie\u003e\nCc: Andrea Arcangeli \u003caarcange@redhat.com\u003e\nCc: Larry Woodman \u003clwoodman@redhat.com\u003e\nCc: Lee Schermerhorn \u003cLee.Schermerhorn@hp.com\u003e\nAcked-by: Fengguang Wu \u003cfengguang.wu@intel.com\u003e\nAcked-by: Mel Gorman \u003cmel@csn.ul.ie\u003e\nSigned-off-by: Andi Kleen \u003cak@linux.intel.com\u003e\n" }, { "commit": "8edf344c66a3f214d709dad1421c29d678915b3f", "tree": "0b976d0c52ac5efddcd30c8cb60e44b2cc0029e2", "parents": [ "9fe6206f400646a2322096b56c59891d530e8d51" ], "author": { "name": "Naoya Horiguchi", "email": "n-horiguchi@ah.jp.nec.com", "time": "Fri May 28 09:29:15 2010 +0900" }, "committer": { "name": "Andi Kleen", "email": "ak@linux.intel.com", "time": "Wed Aug 11 09:20:41 2010 +0200" }, "message": "hugetlb: move definition of is_vm_hugetlb_page() to hugepage_inline.h\n\nis_vm_hugetlb_page() is a widely used inline function to insert hooks\ninto hugetlb code.\nBut we can\u0027t use it in pagemap.h because of circular dependency of\nthe header files. This patch removes this limitation.\n\nAcked-by: Mel Gorman \u003cmel@csn.ul.ie\u003e\nAcked-by: Fengguang Wu \u003cfengguang.wu@intel.com\u003e\nSigned-off-by: Naoya Horiguchi \u003cn-horiguchi@ah.jp.nec.com\u003e\nSigned-off-by: Andi Kleen \u003cak@linux.intel.com\u003e\n" }, { "commit": "627295e492638936e76f3d8fcb1e0a3367b88341", "tree": "94ef884e0e248fef8de4b5605a67812191cd3762", "parents": [ "67a8a20fe1eec43ebfa7f2b83e988dbdb4c16271" ], "author": { "name": "Andi Kleen", "email": "andi@firstfloor.org", "time": "Mon Aug 09 17:19:02 2010 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Aug 09 20:44:58 2010 -0700" }, "message": "gcc-4.6: pagemap: avoid unused-but-set variable\n\nAvoid quite a lot of warnings in header files in a gcc 4.6 -Wall builds\n\nSigned-off-by: Andi Kleen \u003cak@linux.intel.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "0531b2aac59c2296570ac52bfc032ef2ace7d5e1", "tree": "4ca454bdc03c24654529bab9c882c1cd5f99a88c", "parents": [ "caf0801e0cc482497c14a9ce349469c33c60beec" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jan 27 09:20:03 2010 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Jan 27 09:20:03 2010 -0800" }, "message": "mm: add new \u0027read_cache_page_gfp()\u0027 helper function\n\nIt\u0027s a simplified \u0027read_cache_page()\u0027 which takes a page allocation\nflag, so that different paths can control how aggressive the memory\nallocations are that populate a address space.\n\nIn particular, the intel GPU object mapping code wants to be able to do\na certain amount of own internal memory management by automatically\nshrinking the address space when memory starts getting tight. This\nallows it to dynamically use different memory allocation policies on a\nper-allocation basis, rather than depend on the (static) address space\ngfp policy.\n\nThe actual new function is a one-liner, but re-organizing the helper\nfunctions to the point where you can do this with a single line of code\nis what most of the patch is all about.\n\nTested-by: Chris Wilson \u003cchris@chris-wilson.co.uk\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "b560d8ad8583803978aaaeba50ef29dc8e97a610", "tree": "2700931e04f0b446a7603e74706d6dd9c782eb84", "parents": [ "1423cc033df017c762a9155eec470da77a460141" ], "author": { "name": "Paul E. McKenney", "email": "paulmck@linux.vnet.ibm.com", "time": "Fri Aug 21 22:08:51 2009 -0700" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Sat Aug 22 13:07:09 2009 +0200" }, "message": "rcu: Expunge lingering references to CONFIG_CLASSIC_RCU, optimize on !SMP\n\nA couple of references to CONFIG_CLASSIC_RCU have survived.\nAlthough these are harmless, it is past time for them to go.\nThe one in hardirq.h is strictly a readability problem.\n\nThe two in pagemap.h appear to disable a !SMP performance\noptimization (which this patch re-enables).\n\nThis does raise the issue as to whether pagemap.h should really\nbe referring to the CPU implementation. Long term, I intend to\nmake the RCU implementation driven by CONFIG_PREEMPT, at which\npoint these should change from defined(CONFIG_TREE_RCU) to\n!defined(CONFIG_PREEMPT). In the meantime, is there something\nelse that could be done in pagemap.h?\n\nSigned-off-by: Paul E. McKenney \u003cpaulmck@linux.vnet.ibm.com\u003e\nCc: laijs@cn.fujitsu.com\nCc: dipankar@in.ibm.com\nCc: akpm@linux-foundation.org\nCc: mathieu.desnoyers@polymtl.ca\nCc: josht@linux.vnet.ibm.com\nCc: dvhltc@us.ibm.com\nCc: niv@us.ibm.com\nCc: peterz@infradead.org\nCc: rostedt@goodmis.org\nLKML-Reference: \u003c20090822050851.GA8414@linux.vnet.ibm.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "6837765963f1723e80ca97b1fae660f3a60d77df", "tree": "a9a6ed4b7e3bf188966da78b04bf39298f24375a", "parents": [ "bce7394a3ef82b8477952fbab838e4a6e8cb47d2" ], "author": { "name": "KOSAKI Motohiro", "email": "kosaki.motohiro@jp.fujitsu.com", "time": "Tue Jun 16 15:32:51 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Jun 16 19:47:42 2009 -0700" }, "message": "mm: remove CONFIG_UNEVICTABLE_LRU config option\n\nCurrently, nobody wants to turn UNEVICTABLE_LRU off. Thus this\nconfigurability is unnecessary.\n\nSigned-off-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nCc: Johannes Weiner \u003channes@cmpxchg.org\u003e\nCc: Andi Kleen \u003candi@firstfloor.org\u003e\nAcked-by: Minchan Kim \u003cminchan.kim@gmail.com\u003e\nCc: David Woodhouse \u003cdwmw2@infradead.org\u003e\nCc: Matt Mackall \u003cmpm@selenic.com\u003e\nCc: Rik van Riel \u003criel@redhat.com\u003e\nCc: Lee Schermerhorn \u003clee.schermerhorn@hp.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "385e1ca5f21c4680ad6a46a3aa2ea8af99e99c92", "tree": "7d887b59d943c5dd62c9604b7ea37fd2d650df71", "parents": [ "b510882281d56873e1194021643b7c325336f84f" ], "author": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Fri Apr 03 16:42:39 2009 +0100" }, "committer": { "name": "David Howells", "email": "dhowells@redhat.com", "time": "Fri Apr 03 16:42:39 2009 +0100" }, "message": "CacheFiles: Permit the page lock state to be monitored\n\nAdd a function to install a monitor on the page lock waitqueue for a particular\npage, thus allowing the page being unlocked to be detected.\n\nThis is used by CacheFiles to detect read completion on a page in the backing\nfilesystem so that it can then copy the data to the waiting netfs page.\n\nSigned-off-by: David Howells \u003cdhowells@redhat.com\u003e\nAcked-by: Steve Dickson \u003csteved@redhat.com\u003e\nAcked-by: Trond Myklebust \u003cTrond.Myklebust@netapp.com\u003e\nAcked-by: Rik van Riel \u003criel@redhat.com\u003e\nAcked-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nTested-by: Daire Byrne \u003cDaire.Byrne@framestore.com\u003e\n" }, { "commit": "9a896c9a48ac6704c0ce8ee081b836644d0afe40", "tree": "681a5453326641cef362a53fb8e031af55ebc87d", "parents": [ "8e2c3795c78d5c4e2e1f14ce751e9d08decbe9d3" ], "author": { "name": "Lee Schermerhorn", "email": "Lee.Schermerhorn@hp.com", "time": "Thu Apr 02 16:56:45 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Apr 02 19:04:49 2009 -0700" }, "message": "mm: define a UNIQUE value for AS_UNEVICTABLE flag\n\nA new \"address_space flag\"--AS_MM_ALL_LOCKS--was defined to use the next\navailable AS flag while the Unevictable LRU was under development. The\nUnevictable LRU was using the same flag and \"no one\" noticed. Current\nmainline, since 2.6.28, has same value for two symbolic flag names.\n\nSo, define a unique flag value for AS_UNEVICTABLE--up close to the other\nflags, [at the cost of an additional #ifdef] so we\u0027ll notice next time.\nNote that #ifdef is not actually required, if we don\u0027t mind having the\nunused flag value defined.\n\nReplace #defines with an enum.\n\nSigned-off-by: Lee Schermerhorn \u003clee.schermerhorn@hp.com\u003e\nCc: \u003cstable@kernel.org\u003e\t\t[2.6.28.x, 2.6.29.x]\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "54566b2c1594c2326a645a3551f9d989f7ba3c5e", "tree": "b373f3283fe5e197d0df29cd6b645c35adf1076c", "parents": [ "e687d691cb3790d25e31c74f5941fd7c565e9df5" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Sun Jan 04 12:00:53 2009 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sun Jan 04 13:33:20 2009 -0800" }, "message": "fs: symlink write_begin allocation context fix\n\nWith the write_begin/write_end aops, page_symlink was broken because it\ncould no longer pass a GFP_NOFS type mask into the point where the\nallocations happened. They are done in write_begin, which would always\nassume that the filesystem can be entered from reclaim. This bug could\ncause filesystem deadlocks.\n\nThe funny thing with having a gfp_t mask there is that it doesn\u0027t really\nallow the caller to arbitrarily tinker with the context in which it can be\ncalled. It couldn\u0027t ever be GFP_ATOMIC, for example, because it needs to\ntake the page lock. The only thing any callers care about is __GFP_FS\nanyway, so turn that into a single flag.\n\nAdd a new flag for write_begin, AOP_FLAG_NOFS. Filesystems can now act on\nthis flag in their write_begin function. Change __grab_cache_page to\naccept a nofs argument as well, to honour that flag (while we\u0027re there,\nchange the name to grab_cache_page_write_begin which is more instructive\nand does away with random leading underscores).\n\nThis is really a more flexible way to go in the end anyway -- if a\nfilesystem happens to want any extra allocations aside from the pagecache\nones in ints write_begin function, it may now use GFP_KERNEL (rather than\nGFP_NOFS) for common case allocations (eg. ocfs2_alloc_write_ctxt, for a\nrandom example).\n\n[kosaki.motohiro@jp.fujitsu.com: fix ubifs]\n[kosaki.motohiro@jp.fujitsu.com: fix fuse]\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nReviewed-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nCc: \u003cstable@kernel.org\u003e\t\t[2.6.28.x]\nSigned-off-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\n[ Cleaned up the calling convention: just pass in the AOP flags\n untouched to the grab_cache_page_write_begin() function. That\n just simplifies everybody, and may even allow future expansion of the\n logic. - Linus ]\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "8413ac9d8c9a1366a4f57880723126cd24e5a5c3", "tree": "fcee6ff670dcfccf895a48e92d27f52902d34301", "parents": [ "a978d6f521063514812a7094dbe5036e056e4de3" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Sat Oct 18 20:26:59 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Oct 20 08:52:32 2008 -0700" }, "message": "mm: page lock use lock bitops\n\ntrylock_page, unlock_page open and close a critical section. Hence,\nwe can use the lock bitops to get the desired memory ordering.\n\nAlso, mark trylock as likely to succeed (and remove the annotation from\ncallers).\n\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "f45840b5c128445da70e7ec33adc47b4a12bdaf4", "tree": "3815a03d12d1c69d71a48c44cd216c3e1e84272a", "parents": [ "9978ad583e100945b74e4f33e73317983ea32df9" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Sat Oct 18 20:26:57 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Oct 20 08:52:31 2008 -0700" }, "message": "mm: pagecache insertion fewer atomics\n\nSetting and clearing the page locked when inserting it into swapcache /\npagecache when it has no other references can use non-atomic page flags\noperations because no other CPU may be operating on it at this time.\n\nThis saves one atomic operation when inserting a page into pagecache.\n\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "89e004ea55abe201b29e2d6e35124101f1288ef7", "tree": "272a8f453106fd33d66fd7153f44696648dbe8b6", "parents": [ "ba9ddf49391645e6bb93219131a40446538a5e76" ], "author": { "name": "Lee Schermerhorn", "email": "Lee.Schermerhorn@hp.com", "time": "Sat Oct 18 20:26:43 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Oct 20 08:50:26 2008 -0700" }, "message": "SHM_LOCKED pages are unevictable\n\nShmem segments locked into memory via shmctl(SHM_LOCKED) should not be\nkept on the normal LRU, since scanning them is a waste of time and might\nthrow off kswapd\u0027s balancing algorithms. Place them on the unevictable\nLRU list instead.\n\nUse the AS_UNEVICTABLE flag to mark address_space of SHM_LOCKed shared\nmemory regions as unevictable. Then these pages will be culled off the\nnormal LRU lists during vmscan.\n\nAdd new wrapper function to clear the mapping\u0027s unevictable state when/if\nshared memory segment is munlocked.\n\nAdd \u0027scan_mapping_unevictable_page()\u0027 to mm/vmscan.c to scan all pages in\nthe shmem segment\u0027s mapping [struct address_space] for evictability now\nthat they\u0027re no longer locked. If so, move them to the appropriate zone\nlru list.\n\nChanges depend on [CONFIG_]UNEVICTABLE_LRU.\n\n[kosaki.motohiro@jp.fujitsu.com: revert shm change]\nSigned-off-by: Lee Schermerhorn \u003clee.schermerhorn@hp.com\u003e\nSigned-off-by: Rik van Riel \u003criel@redhat.com\u003e\nSigned-off-by: Kosaki Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "ba9ddf49391645e6bb93219131a40446538a5e76", "tree": "2202525ca36c6f629685f5fea60b5b3ba335f546", "parents": [ "7b854121eb3e5ba0241882ff939e2c485228c9c5" ], "author": { "name": "Lee Schermerhorn", "email": "Lee.Schermerhorn@hp.com", "time": "Sat Oct 18 20:26:42 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Oct 20 08:50:26 2008 -0700" }, "message": "Ramfs and Ram Disk pages are unevictable\n\nChristoph Lameter pointed out that ram disk pages also clutter the LRU\nlists. When vmscan finds them dirty and tries to clean them, the ram disk\nwriteback function just redirties the page so that it goes back onto the\nactive list. Round and round she goes...\n\nWith the ram disk driver [rd.c] replaced by the newer \u0027brd.c\u0027, this is no\nlonger the case, as ram disk pages are no longer maintained on the lru.\n[This makes them unmigratable for defrag or memory hot remove, but that\ncan be addressed by a separate patch series.] However, the ramfs pages\nbehave like ram disk pages used to, so:\n\nDefine new address_space flag [shares address_space flags member with\nmapping\u0027s gfp mask] to indicate that the address space contains all\nunevictable pages. This will provide for efficient testing of ramfs pages\nin page_evictable().\n\nAlso provide wrapper functions to set/test the unevictable state to\nminimize #ifdefs in ramfs driver and any other users of this facility.\n\nSet the unevictable state on address_space structures for new ramfs\ninodes. Test the unevictable state in page_evictable() to cull\nunevictable pages.\n\nThese changes depend on [CONFIG_]UNEVICTABLE_LRU.\n\n[riel@redhat.com: undo the brd.c part]\nSigned-off-by: Lee Schermerhorn \u003clee.schermerhorn@hp.com\u003e\nSigned-off-by: Rik van Riel \u003criel@redhat.com\u003e\nDebugged-by: Nick Piggin \u003cnickpiggin@yahoo.com.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "529ae9aaa08378cfe2a4350bded76f32cc8ff0ce", "tree": "d3ae998f9876c72a83a022805103a92111852b21", "parents": [ "e9ba9698187ddbc0c5bfcf41de0349a662d23d02" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Sat Aug 02 12:01:03 2008 +0200" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Aug 04 21:31:34 2008 -0700" }, "message": "mm: rename page trylock\n\nConverting page lock to new locking bitops requires a change of page flag\noperation naming, so we might as well convert it to something nicer\n(!TestSetPageLocked_Lock \u003d\u003e trylock_page, SetPageLocked \u003d\u003e set_page_locked).\n\nThis also facilitates lockdeping of page lock.\n\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nAcked-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nAcked-by: Peter Zijlstra \u003cpeterz@infradead.org\u003e\nAcked-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nAcked-by: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "ce0ad7f0952581ba75ab6aee55bb1ed9bb22cf4f", "tree": "bf2a8845a031cb685219db2ddcb3d296b4a9ffab", "parents": [ "7d2a175b9bf6e9422bebe95130a3c79a25ff4602" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Wed Jul 30 15:23:13 2008 +1000" }, "committer": { "name": "Benjamin Herrenschmidt", "email": "benh@kernel.crashing.org", "time": "Wed Jul 30 15:26:54 2008 +1000" }, "message": "powerpc/mm: Lockless get_user_pages_fast() for 64-bit (v3)\n\nImplement lockless get_user_pages_fast for 64-bit powerpc.\n\nPage table existence is guaranteed with RCU, and speculative page references\nare used to take a reference to the pages without having a prior existence\nguarantee on them.\n\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nSigned-off-by: Dave Kleikamp \u003cshaggy@linux.vnet.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\n" }, { "commit": "7906d00cd1f687268f0a3599442d113767795ae6", "tree": "63609454d164a088d7f535f826764579c0f297f6", "parents": [ "6beeac76f5f96590fb751af5e138fbc3f62e8460" ], "author": { "name": "Andrea Arcangeli", "email": "andrea@qumranet.com", "time": "Mon Jul 28 15:46:26 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Jul 28 16:30:21 2008 -0700" }, "message": "mmu-notifiers: add mm_take_all_locks() operation\n\nmm_take_all_locks holds off reclaim from an entire mm_struct. This allows\nmmu notifiers to register into the mm at any time with the guarantee that\nno mmu operation is in progress on the mm.\n\nThis operation locks against the VM for all pte/vma/mm related operations\nthat could ever happen on a certain mm. This includes vmtruncate,\ntry_to_unmap, and all page faults.\n\nThe caller must take the mmap_sem in write mode before calling\nmm_take_all_locks(). The caller isn\u0027t allowed to release the mmap_sem\nuntil mm_drop_all_locks() returns.\n\nmmap_sem in write mode is required in order to block all operations that\ncould modify pagetables and free pages without need of altering the vma\nlayout (for example populate_range() with nonlinear vmas). It\u0027s also\nneeded in write mode to avoid new anon_vmas to be associated with existing\nvmas.\n\nA single task can\u0027t take more than one mm_take_all_locks() in a row or it\nwould deadlock.\n\nmm_take_all_locks() and mm_drop_all_locks are expensive operations that\nmay have to take thousand of locks.\n\nmm_take_all_locks() can fail if it\u0027s interrupted by signals.\n\nWhen mmu_notifier_register returns, we must be sure that the driver is\nnotified if some task is in the middle of a vmtruncate for the \u0027mm\u0027 where\nthe mmu notifier was registered (mmu_notifier_invalidate_range_start/end\nis run around the vmtruncation but mmu_notifier_register can run after\nmmu_notifier_invalidate_range_start and before\nmmu_notifier_invalidate_range_end). Same problem for rmap paths. And\nwe\u0027ve to remove page pinning to avoid replicating the tlb_gather logic\ninside KVM (and GRU doesn\u0027t work well with page pinning regardless of\nneeding tlb_gather), so without mm_take_all_locks when vmtruncate frees\nthe page, kvm would have no way to notice that it mapped into sptes a page\nthat is going into the freelist without a chance of any further\nmmu_notifier notification.\n\n[akpm@linux-foundation.org: coding-style fixes]\nSigned-off-by: Andrea Arcangeli \u003candrea@qumranet.com\u003e\nAcked-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\nCc: Christoph Lameter \u003ccl@linux-foundation.org\u003e\nCc: Jack Steiner \u003csteiner@sgi.com\u003e\nCc: Robin Holt \u003cholt@sgi.com\u003e\nCc: Nick Piggin \u003cnpiggin@suse.de\u003e\nCc: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nCc: Kanoj Sarcar \u003ckanojsarcar@yahoo.com\u003e\nCc: Roland Dreier \u003crdreier@cisco.com\u003e\nCc: Steve Wise \u003cswise@opengridcomputing.com\u003e\nCc: Avi Kivity \u003cavi@qumranet.com\u003e\nCc: Hugh Dickins \u003chugh@veritas.com\u003e\nCc: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nCc: Anthony Liguori \u003caliguori@us.ibm.com\u003e\nCc: Chris Wright \u003cchrisw@redhat.com\u003e\nCc: Marcelo Tosatti \u003cmarcelo@kvack.org\u003e\nCc: Eric Dumazet \u003cdada1@cosmosbay.com\u003e\nCc: \"Paul E. McKenney\" \u003cpaulmck@us.ibm.com\u003e\nCc: Izik Eidus \u003cizike@qumranet.com\u003e\nCc: Anthony Liguori \u003caliguori@us.ibm.com\u003e\nCc: Rik van Riel \u003criel@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "e286781d5f2e9c846e012a39653a166e9d31777d", "tree": "14958fe6d8f3e0459c96c68b3034ea2433ab85ac", "parents": [ "47feff2c8eefe85099f87c43d3096855f0085ca0" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Fri Jul 25 19:45:30 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Sat Jul 26 12:00:06 2008 -0700" }, "message": "mm: speculative page references\n\nIf we can be sure that elevating the page_count on a pagecache page will\npin it, we can speculatively run this operation, and subsequently check to\nsee if we hit the right page rather than relying on holding a lock or\notherwise pinning a reference to the page.\n\nThis can be done if get_page/put_page behaves consistently throughout the\nwhole tree (ie. if we \"get\" the page after it has been used for something\nelse, we must be able to free it with a put_page).\n\nActually, there is a period where the count behaves differently: when the\npage is free or if it is a constituent page of a compound page. We need\nan atomic_inc_not_zero operation to ensure we don\u0027t try to grab the page\nin either case.\n\nThis patch introduces the core locking protocol to the pagecache (ie.\nadds page_cache_get_speculative, and tweaks some update-side code to make\nit work).\n\nThanks to Hugh for pointing out an improvement to the algorithm setting\npage_count to zero when we have control of all references, in order to\nhold off speculative getters.\n\n[kamezawa.hiroyu@jp.fujitsu.com: fix migration_entry_wait()]\n[hugh@veritas.com: fix add_to_page_cache]\n[akpm@linux-foundation.org: repair a comment]\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nCc: Jeff Garzik \u003cjeff@garzik.org\u003e\nCc: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\nCc: Paul Mackerras \u003cpaulus@samba.org\u003e\nCc: Hugh Dickins \u003chugh@veritas.com\u003e\nCc: \"Paul E. McKenney\" \u003cpaulmck@us.ibm.com\u003e\nReviewed-by: Peter Zijlstra \u003ca.p.zijlstra@chello.nl\u003e\nSigned-off-by: Daisuke Nishimura \u003cnishimura@mxp.nes.nec.co.jp\u003e\nSigned-off-by: KAMEZAWA Hiroyuki \u003ckamezawa.hiroyu@jp.fujitsu.com\u003e\nSigned-off-by: KOSAKI Motohiro \u003ckosaki.motohiro@jp.fujitsu.com\u003e\nSigned-off-by: Hugh Dickins \u003chugh@veritas.com\u003e\nAcked-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "2185e69f680ae8c8496b6fc15e20c889d5b39b67", "tree": "5835610f8c89786ef18860e02937d1dd9b0977f6", "parents": [ "9023cb7e8564d95a1893f8cb6895a293be9a71fe" ], "author": { "name": "Andrew Morton", "email": "akpm@linux-foundation.org", "time": "Wed Jul 23 21:27:19 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jul 24 10:47:15 2008 -0700" }, "message": "mapping_set_error: add unlikely()\n\nThis is called on a per-page basis and in the vast majority of cases\n`error\u0027 is zero.\n\nCc: Guillaume Chazarain \u003cguichaz@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "b3c97528689619fc66569b30bf83d09d9929521a", "tree": "91dc53590deab88c9bf255c2b5cbd74bdbc36de1", "parents": [ "aa02cd2d9bd1e24a230bd66a0a741b984d03915a" ], "author": { "name": "Harvey Harrison", "email": "harvey.harrison@gmail.com", "time": "Wed Feb 13 15:03:15 2008 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Wed Feb 13 16:21:18 2008 -0800" }, "message": "include/linux: Remove all users of FASTCALL() macro\n\nFASTCALL() is always expanded to empty, remove it.\n\n[akpm@linux-foundation.org: coding-style fixes]\nSigned-off-by: Harvey Harrison \u003charvey.harrison@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "2687a3569e40b1302f96698bcd6329aeb0ce3dd2", "tree": "7bb5e1ffd807ef94b145f6829bf4326a98b8fd99", "parents": [ "f776d12dd16da1b0cd55a1240002c1b31f315d5d" ], "author": { "name": "Matthew Wilcox", "email": "matthew@wil.cx", "time": "Thu Dec 06 11:18:49 2007 -0500" }, "committer": { "name": "Matthew Wilcox", "email": "willy@linux.intel.com", "time": "Thu Dec 06 17:35:41 2007 -0500" }, "message": "Add lock_page_killable\n\nThis routine is like lock_page, but can be interrupted by a fatal signal\n\nSigned-off-by: Matthew Wilcox \u003cwilly@linux.intel.com\u003e\n" }, { "commit": "afddba49d18f346e5cc2938b6ed7c512db18ca68", "tree": "4726e3d3b0e9e8e5b5d3b2b0cccb36446bbdf3ca", "parents": [ "637aff46f94a754207c80c8c64bf1b74f24b967d" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Tue Oct 16 01:25:01 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue Oct 16 09:42:55 2007 -0700" }, "message": "fs: introduce write_begin, write_end, and perform_write aops\n\nThese are intended to replace prepare_write and commit_write with more\nflexible alternatives that are also able to avoid the buffered write\ndeadlock problems efficiently (which prepare_write is unable to do).\n\n[mark.fasheh@oracle.com: API design contributions, code review and fixes]\n[akpm@linux-foundation.org: various fixes]\n[dmonakhov@sw.ru: new aop block_write_begin fix]\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nSigned-off-by: Mark Fasheh \u003cmark.fasheh@oracle.com\u003e\nSigned-off-by: Dmitriy Monakhov \u003cdmonakhov@openvz.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "08291429cfa6258c4cd95d8833beb40f828b194e", "tree": "50a206f0f0e7a5400b44073107ff00517e6f50ac", "parents": [ "4a9e5ef1f4f15205e477817a5cefc34bd3f65f55" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Tue Oct 16 01:24:59 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue Oct 16 09:42:54 2007 -0700" }, "message": "mm: fix pagecache write deadlocks\n\nModify the core write() code so that it won\u0027t take a pagefault while holding a\nlock on the pagecache page. There are a number of different deadlocks possible\nif we try to do such a thing:\n\n1. generic_buffered_write\n2. lock_page\n3. prepare_write\n4. unlock_page+vmtruncate\n5. copy_from_user\n6. mmap_sem(r)\n7. handle_mm_fault\n8. lock_page (filemap_nopage)\n9. commit_write\n10. unlock_page\n\na. sys_munmap / sys_mlock / others\nb. mmap_sem(w)\nc. make_pages_present\nd. get_user_pages\ne. handle_mm_fault\nf. lock_page (filemap_nopage)\n\n2,8\t- recursive deadlock if page is same\n2,8;2,8\t- ABBA deadlock is page is different\n2,6;b,f\t- ABBA deadlock if page is same\n\nThe solution is as follows:\n1. If we find the destination page is uptodate, continue as normal, but use\n atomic usercopies which do not take pagefaults and do not zero the uncopied\n tail of the destination. The destination is already uptodate, so we can\n commit_write the full length even if there was a partial copy: it does not\n matter that the tail was not modified, because if it is dirtied and written\n back to disk it will not cause any problems (uptodate *means* that the\n destination page is as new or newer than the copy on disk).\n\n1a. The above requires that fault_in_pages_readable correctly returns access\n information, because atomic usercopies cannot distinguish between\n non-present pages in a readable mapping, from lack of a readable mapping.\n\n2. If we find the destination page is non uptodate, unlock it (this could be\n made slightly more optimal), then allocate a temporary page to copy the\n source data into. Relock the destination page and continue with the copy.\n However, instead of a usercopy (which might take a fault), copy the data\n from the pinned temporary page via the kernel address space.\n\n(also, rename maxlen to seglen, because it was confusing)\n\nThis increases the CPU/memory copy cost by almost 50% on the affected\nworkloads. That will be solved by introducing a new set of pagecache write\naops in a subsequent patch.\n\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "57f6b96c09c30e444e0d3fc3080feba037657a7b", "tree": "4b62e2f63352b74d6c9dd1ed1142b971dcd207e3", "parents": [ "b2c3843b1e25e2c67347c4671f33fbe6f5067e6b" ], "author": { "name": "Fengguang Wu", "email": "wfg@mail.ustc.edu.cn", "time": "Tue Oct 16 01:24:37 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue Oct 16 09:42:53 2007 -0700" }, "message": "filemap: convert some unsigned long to pgoff_t\n\nConvert some \u0027unsigned long\u0027 to pgoff_t.\n\nSigned-off-by: Fengguang Wu \u003cwfg@mail.ustc.edu.cn\u003e\nCc: Rusty Russell \u003crusty@rustcorp.com.au\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "3e9f45bd18191bbd05468b19b7064b8da8262aba", "tree": "06c790a9cb1afc83d170447a277e51f5a1a5f303", "parents": [ "c83e44842074a87614c78eca70fa6467b0bc3c4a" ], "author": { "name": "Guillaume Chazarain", "email": "guichaz@yahoo.fr", "time": "Tue May 08 00:23:25 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue May 08 11:14:57 2007 -0700" }, "message": "Factor outstanding I/O error handling\n\nCleanup: setting an outstanding error on a mapping was open coded too many\ntimes. Factor it out in mapping_set_error().\n\nSigned-off-by: Guillaume Chazarain \u003cguichaz@yahoo.fr\u003e\nCc: Steven Whitehouse \u003cswhiteho@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "6fe6900e1e5b6fa9e5c59aa5061f244fe3f467e2", "tree": "8bbfe5072279227cc50a941ad4813908082426a1", "parents": [ "714b8171af9c930a59a0da8f6fe50518e70ab035" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Sun May 06 14:49:04 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Mon May 07 12:12:51 2007 -0700" }, "message": "mm: make read_cache_page synchronous\n\nEnsure pages are uptodate after returning from read_cache_page, which allows\nus to cut out most of the filesystem-internal PageUptodate calls.\n\nI didn\u0027t have a great look down the call chains, but this appears to fixes 7\npossible use-before uptodate in hfs, 2 in hfsplus, 1 in jfs, a few in\necryptfs, 1 in jffs2, and a possible cleared data overwritten with readpage in\nblock2mtd. All depending on whether the filler is async and/or can return\nwith a !uptodate page.\n\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nCc: Hugh Dickins \u003chugh@veritas.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "62045305c20a194127ae87ccf963cfe6ffde7c4e", "tree": "e672f27c6fd422aa9c2a7ec1ed30fb479510ed15", "parents": [ "f049274b012fd3b50113f194bfbbcbc3143d0da3" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Fri Feb 09 05:28:19 2007 +0100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Feb 09 08:06:14 2007 -0800" }, "message": "[PATCH] mm: remove find_trylock_page\n\nRemove find_trylock_page as per the removal schedule.\n\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\n[ Let\u0027s see if anybody screams ]\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "2ae88149a27cadf2840e0ab8155bef13be285c03", "tree": "e6873cc050973db6f2b01568a5e1faa6c981d139", "parents": [ "858cbcdd4f7a235f609249b9ca681b7ec5d786a3" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Sat Oct 28 10:38:23 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sat Oct 28 11:30:50 2006 -0700" }, "message": "[PATCH] mm: clean up pagecache allocation\n\n- Consolidate page_cache_alloc\n\n- Fix splice: only the pagecache pages and filesystem data need to use\n mapping_gfp_mask.\n\n- Fix grab_cache_page_nowait: same as splice, also honour NUMA placement.\n\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nCc: Jens Axboe \u003cjens.axboe@oracle.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "db37648cd6ce9b828abd6d49aa3d269926ee7b7d", "tree": "a0155c7897f4706386d10c8718f98687bc357c82", "parents": [ "28e4d965e6131ace1e813e93aebca89ac6b82dc1" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Mon Sep 25 23:31:24 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Tue Sep 26 08:48:48 2006 -0700" }, "message": "[PATCH] mm: non syncing lock_page()\n\nlock_page needs the caller to have a reference on the page-\u003emapping inode\ndue to sync_page, ergo set_page_dirty_lock is obviously buggy according to\nits comments.\n\nSolve it by introducing a new lock_page_nosync which does not do a sync_page.\n\nakpm: unpleasant solution to an unpleasant problem. If it goes wrong it could\ncause great slowdowns while the lock_page() caller waits for kblockd to\nperform the unplug. And if a filesystem has special sync_page() requirements\n(none presently do), permanent hangs are possible.\n\notoh, set_page_dirty_lock() is usually (always?) called against userspace\npages. They are always up-to-date, so there shouldn\u0027t be any pending read I/O\nagainst these pages.\n\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "347ce434d57da80fd5809c0c836f206a50999c26", "tree": "f730d151be77977f594e5cc083a93bbeb4c602cc", "parents": [ "65ba55f500a37272985d071c9bbb35256a2f7c14" ], "author": { "name": "Christoph Lameter", "email": "clameter@sgi.com", "time": "Fri Jun 30 01:55:35 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Jun 30 11:25:34 2006 -0700" }, "message": "[PATCH] zoned vm counters: conversion of nr_pagecache to per zone counter\n\nCurrently a single atomic variable is used to establish the size of the page\ncache in the whole machine. The zoned VM counters have the same method of\nimplementation as the nr_pagecache code but also allow the determination of\nthe pagecache size per zone.\n\nRemove the special implementation for nr_pagecache and make it a zoned counter\nnamed NR_FILE_PAGES.\n\nUpdates of the page cache counters are always performed with interrupts off.\nWe can therefore use the __ variant here.\n\nSigned-off-by: Christoph Lameter \u003cclameter@sgi.com\u003e\nCc: Trond Myklebust \u003ctrond.myklebust@fys.uio.no\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "090d2b185d8680fc26a2eaf4245d4171dcf4baf1", "tree": "67e604e3cd1bad3cfd034bced19a0fbff6a80c30", "parents": [ "c330dda908b5a46469a997eea90b66f2f9f02b34" ], "author": { "name": "Pekka Enberg", "email": "penberg@cs.helsinki.fi", "time": "Fri Jun 23 02:05:08 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Jun 23 07:43:02 2006 -0700" }, "message": "[PATCH] read_mapping_page for address space\n\nAdd read_mapping_page() which is used for callers that pass\nmapping-\u003ea_ops-\u003ereadpage as the filler for read_cache_page. This removes\nsome duplication from filesystem code.\n\nSigned-off-by: Pekka Enberg \u003cpenberg@cs.helsinki.fi\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "ebf43500ef148a380bd132743c3fc530111ac620", "tree": "01ddb60f5662cf92b96b0468bf9820518a611209", "parents": [ "eb645a24de82496434cc81171d7f350edb327399" ], "author": { "name": "Jens Axboe", "email": "axboe@suse.de", "time": "Thu Apr 27 08:46:01 2006 +0200" }, "committer": { "name": "Jens Axboe", "email": "axboe@nelson.home.kernel.dk", "time": "Thu Apr 27 08:59:48 2006 +0200" }, "message": "[PATCH] Add find_get_pages_contig(): contiguous variant of find_get_pages()\n\nfind_get_pages_contig() will break out if we hit a hole in the page cache.\nFrom Andrew Morton, small modifications and documentation by me.\n\nSigned-off-by: Jens Axboe \u003caxboe@suse.de\u003e\n" }, { "commit": "93fac7041f082297b93655a0e49f659cd7520e40", "tree": "2d8f295087377d4ac0ceea49dd67bb682b04c749", "parents": [ "9bf9e89c3d147ca8cf9622d2d053684fba77a464" ], "author": { "name": "Nick Piggin", "email": "npiggin@suse.de", "time": "Fri Mar 31 02:29:56 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Mar 31 12:18:49 2006 -0800" }, "message": "[PATCH] mm: schedule find_trylock_page() removal\n\nfind_trylock_page() is an odd interface in that it doesn\u0027t take a reference\nlike the others. Now that XFS no longer uses it, and its last remaining\ncaller actually wants an elevated refcount, opencode that callsite and\nschedule find_trylock_page() for removal.\n\nSigned-off-by: Nick Piggin \u003cnpiggin@suse.de\u003e\nAcked-by: Hugh Dickins \u003chugh@veritas.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "44110fe385af23ca5eee8a6ad4ff55d50339097a", "tree": "50ed2bfe054b8e35968d8e4a5fbe95c8b3db843b", "parents": [ "825a46af5ac171f9f41f794a0a00165588ba1589" ], "author": { "name": "Paul Jackson", "email": "pj@sgi.com", "time": "Fri Mar 24 03:16:04 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Mar 24 07:33:22 2006 -0800" }, "message": "[PATCH] cpuset memory spread page cache implementation and hooks\n\nChange the page cache allocation calls to support cpuset memory spreading.\n\nSee the previous patch, cpuset_mem_spread, for an explanation of cpuset memory\nspreading.\n\nOn systems without cpusets configured in the kernel, this is no change.\n\nOn systems with cpusets configured in the kernel, but the \"memory_spread\"\ncpuset option not enabled for the current tasks cpuset, this adds a call to a\ncpuset routine and failed bit test of the processor state flag PF_SPREAD_PAGE.\n\nOn tasks in cpusets with \"memory_spread\" enabled, this adds a call to a cpuset\nroutine that computes which of the tasks mems_allowed nodes should be\npreferred for this allocation.\n\nIf memory spreading applies to a particular allocation, then any other NUMA\nmempolicy does not apply.\n\nSigned-off-by: Paul Jackson \u003cpj@sgi.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "2d6c666e8704cf06267f29a4fa3d2cf823469c38", "tree": "c53db43c6e936ae44f232ab5f04dfc6900230190", "parents": [ "7fb1d9fca5c6e3b06773b69165a73f3fb786b8ee" ], "author": { "name": "Paul Jackson", "email": "pj@sgi.com", "time": "Sun Nov 13 16:06:44 2005 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Nov 13 18:14:12 2005 -0800" }, "message": "[PATCH] mm: gfp_noreclaim cleanup\n\nRemove last remnant of the defunct early reclaim page logic, the no longer\nused __GFP_NORECLAIM flag bit.\n\nSigned-off-by: Paul Jackson \u003cpj@sgi.com\u003e\nAcked-by: Martin Hicks \u003cmort@bork.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "260b23674fdb570f3235ce55892246bef1c24c2a", "tree": "471e7b546cbf1f7ee4a165e5bd9a2de0770e53be", "parents": [ "c4cdd038318863e912e9b992489f61497f98b442" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Oct 21 03:22:44 2005 -0400" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Oct 28 08:16:51 2005 -0700" }, "message": "[PATCH] gfp_t: the rest\n\nzone handling, mapping-\u003eflags handling\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "6daa0e28627abf362138244a620a821a9027d816", "tree": "5ca9cbc421cc1adf228cdd30cd627bca8be6242c", "parents": [ "af4ca457eaf2d6682059c18463eb106e2ce58198" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Fri Oct 21 03:18:50 2005 -0400" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Oct 28 08:16:47 2005 -0700" }, "message": "[PATCH] gfp_t: mm/* (easy parts)\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "dd0fc66fb33cd610bc1a5db8a5e232d34879b4d7", "tree": "51f96a9db96293b352e358f66032e1f4ff79fafb", "parents": [ "3b0e77bd144203a507eb191f7117d2c5004ea1de" ], "author": { "name": "Al Viro", "email": "viro@ftp.linux.org.uk", "time": "Fri Oct 07 07:46:04 2005 +0100" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sat Oct 08 15:00:57 2005 -0700" }, "message": "[PATCH] gfp flags annotations - part 1\n\n - added typedef unsigned int __nocast gfp_t;\n\n - replaced __nocast uses for gfp flags with gfp_t - it gives exactly\n the same warnings as far as sparse is concerned, doesn\u0027t change\n generated code (from gcc point of view we replaced unsigned int with\n typedef) and documents what\u0027s going on far better.\n\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "0c35bbadc59f5ed105c34471143eceb4c0dd9c95", "tree": "d82de388e8c0a38fa4b1d27ad372e84c9f01e013", "parents": [ "753ee728964e5afb80c17659cc6c3a6fd0a42fe0" ], "author": { "name": "Martin Hicks", "email": "mort@sgi.com", "time": "Tue Jun 21 17:14:42 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Tue Jun 21 18:46:14 2005 -0700" }, "message": "[PATCH] VM: add __GFP_NORECLAIM\n\nWhen using the early zone reclaim, it was noticed that allocating new pages\nthat should be spread across the whole system caused eviction of local pages.\n\nThis adds a new GFP flag to prevent early reclaim from happening during\ncertain allocation attempts. The example that is implemented here is for page\ncache pages. We want page cache pages to be spread across the whole system,\nand we don\u0027t want page cache pages to evict other pages to get local memory.\n\nSigned-off-by: Martin Hicks \u003cmort@sgi.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "tree": "0bba044c4ce775e45a88a51686b5d9f90697ea9d", "parents": [], "author": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Sat Apr 16 15:20:36 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Sat Apr 16 15:20:36 2005 -0700" }, "message": "Linux-2.6.12-rc2\n\nInitial git repository build. I\u0027m not bothering with the full history,\neven though we have it. We can create a separate \"historical\" git\narchive of that later if we want to, and in the meantime it\u0027s about\n3.2GB when imported into git - space that would just make the early\ngit days unnecessarily complicated, when we don\u0027t have a lot of good\ninfrastructure for it.\n\nLet it rip!\n" } ] }