)]}' { "log": [ { "commit": "8f860591ffb29738cf5539b6fbf27f50dcdeb380", "tree": "4265e45c4a79d86a16cd5175a836e8c531be8117", "parents": [ "aed75ff3caafce404d9be7f0c088716375be5279" ], "author": { "name": "Zhang, Yanmin", "email": "yanmin_zhang@linux.intel.com", "time": "Wed Mar 22 00:08:50 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Wed Mar 22 07:54:03 2006 -0800" }, "message": "[PATCH] Enable mprotect on huge pages\n\n2.6.16-rc3 uses hugetlb on-demand paging, but it doesn_t support hugetlb\nmprotect.\n\nFrom: David Gibson \u003cdavid@gibson.dropbear.id.au\u003e\n\n Remove a test from the mprotect() path which checks that the mprotect()ed\n range on a hugepage VMA is hugepage aligned (yes, really, the sense of\n is_aligned_hugepage_range() is the opposite of what you\u0027d guess :-/).\n\n In fact, we don\u0027t need this test. If the given addresses match the\n beginning/end of a hugepage VMA they must already be suitably aligned. If\n they don\u0027t, then mprotect_fixup() will attempt to split the VMA. The very\n first test in split_vma() will check for a badly aligned address on a\n hugepage VMA and return -EINVAL if necessary.\n\nFrom: \"Chen, Kenneth W\" \u003ckenneth.w.chen@intel.com\u003e\n\n On i386 and x86-64, pte flag _PAGE_PSE collides with _PAGE_PROTNONE. The\n identify of hugetlb pte is lost when changing page protection via mprotect.\n A page fault occurs later will trigger a bug check in huge_pte_alloc().\n\n The fix is to always make new pte a hugetlb pte and also to clean up\n legacy code where _PAGE_PRESENT is forced on in the pre-faulting day.\n\nSigned-off-by: Zhang Yanmin \u003cyanmin.zhang@intel.com\u003e\nCc: David Gibson \u003cdavid@gibson.dropbear.id.au\u003e\nCc: \"David S. Miller\" \u003cdavem@davemloft.net\u003e\nCc: Benjamin Herrenschmidt \u003cbenh@kernel.crashing.org\u003e\nCc: Paul Mackerras \u003cpaulus@samba.org\u003e\nCc: William Lee Irwin III \u003cwli@holomorphy.com\u003e\nSigned-off-by: Ken Chen \u003ckenneth.w.chen@intel.com\u003e\nSigned-off-by: Nishanth Aravamudan \u003cnacc@us.ibm.com\u003e\nCc: Andi Kleen \u003cak@muc.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "8c65b4a60450590e79a28e9717ceffa9e4debb3f", "tree": "e0e42b5faee0a1c44746a36d9df7a8fbb2a2c24c", "parents": [ "6fdcc2162285a8fc96ab12ff85086c37bceaa494" ], "author": { "name": "Tim Schmielau", "email": "tim@physik3.uni-rostock.de", "time": "Mon Nov 07 00:59:43 2005 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Mon Nov 07 07:53:41 2005 -0800" }, "message": "[PATCH] fix remaining missing includes\n\nFix more include file problems that surfaced since I submitted the previous\nfix-missing-includes.patch. This should now allow not to include sched.h\nfrom module.h, which is done by a followup patch.\n\nSigned-off-by: Tim Schmielau \u003ctim@physik3.uni-rostock.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "1426d7a81dea8e9d85f9d69de85ab04ba37018ab", "tree": "f2a7bbe0e60437cf73199b6003da677ee8ff0424", "parents": [ "c7e9dd4dd0b8dd75c410011b3c8f9980112fd0f8" ], "author": { "name": "Tejun Heo", "email": "htejun@gmail.com", "time": "Sun Oct 30 15:02:42 2005 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Oct 30 17:37:22 2005 -0800" }, "message": "[PATCH] vm: remove unused/broken page_pte[_prot] macros\n\nThis patch removes page_pte_prot and page_pte macros from all\narchitectures. Some architectures define both, some only page_pte (broken)\nand others none. These macros are not used anywhere.\n\npage_pte_prot(page, prot) is identical to mk_pte(page, prot) and\npage_pte(page) is identical to page_pte_prot(page, __pgprot(0)).\n\n* The following architectures define both page_pte_prot and page_pte\n\n arm, arm26, ia64, sh64, sparc, sparc64\n\n* The following architectures define only page_pte (broken)\n\n frv, i386, m32r, mips, sh, x86-64\n\n* All other architectures define neither\n\nSigned-off-by: Tejun Heo \u003chtejun@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "ca140fdadbe4c031a20a970f46163908d09a116b", "tree": "5dff340fd0bb88751604d7d7ffdcb0fe55144005", "parents": [ "d16aafff2570abb557a5cb18c98027aabd602e22" ], "author": { "name": "Paolo \u0027Blaisorblade\u0027 Giarrusso", "email": "blaisorblade@yahoo.it", "time": "Sun Oct 30 14:59:31 2005 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Oct 30 17:37:12 2005 -0800" }, "message": "[PATCH] i386: little pgtable.h consolidation vs 2/3level\n\nJoin together some common functions (pmd_page{,_kernel}) over 2level and\n3level pages.\n\nSigned-off-by: Paolo \u0027Blaisorblade\u0027 Giarrusso \u003cblaisorblade@yahoo.it\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": "705e87c0c3c38424f7f30556c85bc20e808d2f59", "tree": "7a237e6266f4801385e1226cc497b47e3a2458bd", "parents": [ "8f4e2101fd7df9031a754eedb82e2060b51f8c45" ], "author": { "name": "Hugh Dickins", "email": "hugh@veritas.com", "time": "Sat Oct 29 18:16:27 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sat Oct 29 21:40:40 2005 -0700" }, "message": "[PATCH] mm: pte_offset_map_lock loops\n\nConvert those common loops using page_table_lock on the outside and\npte_offset_map within to use just pte_offset_map_lock within instead.\n\nThese all hold mmap_sem (some exclusively, some not), so at no level can a\npage table be whipped away from beneath them. But whereas pte_alloc loops\ntested with the \"atomic\" pmd_present, these loops are testing with pmd_none,\nwhich on i386 PAE tests both lower and upper halves.\n\nThat\u0027s now unsafe, so add a cast into pmd_none to test only the vital lower\nhalf: we lose a little sensitivity to a corrupt middle directory, but not\nenough to worry about. It appears that i386 and UML were the only\narchitectures vulnerable in this way, and pgd and pud no problem.\n\nSigned-off-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": "33bf56106d9be272696b73d9179da4e56b277472", "tree": "905fe909edf96831a988de8fd35d22ee96ab4db0", "parents": [ "82006d084109bb4118f1de0dc5855abe5ccae430" ], "author": { "name": "Randy Dunlap", "email": "rdunlap@xenotime.net", "time": "Tue Sep 13 01:25:50 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Tue Sep 13 08:22:33 2005 -0700" }, "message": "[PATCH] feature removal of io_remap_page_range()\n\nAs written in Documentation/feature-removal-schedule.txt, remove the\nio_remap_page_range() kernel API.\n\nSigned-off-by: Randy Dunlap \u003crdunlap@xenotime.net\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "d7271b14b2e9e5905aba0fbf5c4dc4f8980c0cb2", "tree": "2e8bb68bb2501be464a4eda66c323978c2d9bb70", "parents": [ "748f2edb52712aa3d926470a888608dc500d17e8" ], "author": { "name": "Zachary Amsden", "email": "zach@vmware.com", "time": "Sat Sep 03 15:56:50 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@evo.osdl.org", "time": "Mon Sep 05 00:06:13 2005 -0700" }, "message": "[PATCH] i386: encapsulate copying of pgd entries\n\nAdd a clone operation for pgd updates.\n\nThis helps complete the encapsulation of updates to page tables (or pages\nabout to become page tables) into accessor functions rather than using\nmemcpy() to duplicate them. This is both generally good for consistency\nand also necessary for running in a hypervisor which requires explicit\nupdates to page table entries.\n\nThe new function is:\n\nclone_pgd_range(pgd_t *dst, pgd_t *src, int count);\n\n dst - pointer to pgd range anwhere on a pgd page\n src - \"\"\n count - the number of pgds to copy.\n\n dst and src can be on the same page, but the range must not overlap\n and must not cross a page boundary.\n\nNote that I ommitted using this call to copy pgd entries into the\nsoftware suspend page root, since this is not technically a live paging\nstructure, rather it is used on resume from suspend. CC\u0027ing Pavel in case\nhe has any feedback on this.\n\nThanks to Chris Wright for noticing that this could be more optimal in\nPAE compiles by eliminating the memset.\n\nSigned-off-by: Zachary Amsden \u003czach@vmware.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "a600388d28419305aad3c4c0af52c223cf6fa0af", "tree": "c70d3d80275f189c49311183472367f45d1a1ef2", "parents": [ "fa5b08d5f818063d18433194f20359ef2ae50254" ], "author": { "name": "Zachary Amsden", "email": "zach@vmware.com", "time": "Sat Sep 03 15:55:04 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@evo.osdl.org", "time": "Mon Sep 05 00:05:48 2005 -0700" }, "message": "[PATCH] x86: ptep_clear optimization\n\nAdd a new accessor for PTEs, which passes the full hint from the mmu_gather\nstruct; this allows architectures with hardware pagetables to optimize away\natomic PTE operations when destroying an address space. Removing the\nlocked operation should allow better pipelining of memory access in this\nloop. I measured an average savings of 30-35 cycles per zap_pte_range on\nthe first 500 destructions on Pentium-M, but I believe the optimization\nwould win more on older processors which still assert the bus lock on xchg\nfor an exclusive cacheline.\n\nUpdate: I made some new measurements, and this saves exactly 26 cycles over\nptep_get_and_clear on Pentium M. On P4, with a PAE kernel, this saves 180\ncycles per ptep_get_and_clear, for a whopping 92160 cycles savings for a\nfull address space destruction.\n\npte_clear_full is not yet used, but is provided for future optimizations\n(in particular, when running inside of a hypervisor that queues page table\nupdates, the full hint allows us to avoid queueing unnecessary page table\nupdate for an address space in the process of being destroyed.\n\nThis is not a huge win, but it does help a bit, and sets the stage for\nfurther hypervisor optimization of the mm layer on all architectures.\n\nSigned-off-by: Zachary Amsden \u003czach@vmware.com\u003e\nCc: Christoph Lameter \u003cchristoph@lameter.com\u003e\nCc: \u003clinux-mm@kvack.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "32e51a8c976fc72c3e9bcece9767d9908816bf8e", "tree": "480c62a4839b6c9553689da76f49fc208c6ac7f5", "parents": [ "fd195c49fb17a21e232f50bddb2267150053cf34" ], "author": { "name": "Adam Litke", "email": "agl@us.ibm.com", "time": "Sat Sep 03 15:54:59 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@evo.osdl.org", "time": "Mon Sep 05 00:05:46 2005 -0700" }, "message": "[PATCH] hugetlb: add pte_huge() macro\n\nThis patch adds a macro pte_huge(pte) for i386/x86_64 which is needed by a\npatch later in the series. Instead of repeating (_PAGE_PRESENT |\n_PAGE_PSE), I\u0027ve added __LARGE_PTE to i386 to match x86_64.\n\nSigned-off-by: Adam Litke \u003cagl@us.ibm.com\u003e\nCc: \u003clinux-mm@kvack.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "9b4ee40ebbbaf3f8c775b023d89ceedda1167d79", "tree": "e227c96cf51beaa942fefa64277618e5cfc71217", "parents": [ "4944e76d81801b8e60ed3e7789443f210c16ed65" ], "author": { "name": "Paolo \u0027Blaisorblade\u0027 Giarrusso", "email": "blaisorblade@yahoo.it", "time": "Sat Sep 03 15:54:57 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@evo.osdl.org", "time": "Mon Sep 05 00:05:45 2005 -0700" }, "message": "[PATCH] mm: correct _PAGE_FILE comment\n\n_PAGE_FILE does not indicate whether a file is in page / swap cache, it is\nset just for non-linear PTE\u0027s. Correct the comment for i386, x86_64, UML.\nAlso clearify _PAGE_NONE.\n\nSigned-off-by: Paolo \u0027Blaisorblade\u0027 Giarrusso \u003cblaisorblade@yahoo.it\u003e\nCc: 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": "05b79bdcb48c18cd9b580c39e3efb9a1ab078151", "tree": "1767aaa7a4621ff4cf1a85c2078229de54272f30", "parents": [ "d41dee369bff3b9dcb6328d4d822926c28cc2594" ], "author": { "name": "Andy Whitcroft", "email": "apw@shadowen.org", "time": "Thu Jun 23 00:07:57 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Thu Jun 23 09:45:05 2005 -0700" }, "message": "[PATCH] sparsemem memory model for i386\n\nProvide the architecture specific implementation for SPARSEMEM for i386 SMP\nand NUMA systems.\n\nSigned-off-by: Andy Whitcroft \u003capw@shadowen.org\u003e\nSigned-off-by: Dave Hansen \u003chaveblue@us.ibm.com\u003e\nSigned-off-by: Martin Bligh \u003cmbligh@aracnet.com\u003e\nSigned-off-by: Adrian Bunk \u003cbunk@stusta.de\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "63551ae0feaaa23807ebea60de1901564bbef32e", "tree": "f6f97f60f83c3e9813bdfcc6039c499997b1ea10", "parents": [ "1e7e5a9048b30c57ba1ddaa6cdf59b21b65cde99" ], "author": { "name": "David Gibson", "email": "david@gibson.dropbear.id.au", "time": "Tue Jun 21 17:14:44 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Tue Jun 21 18:46:15 2005 -0700" }, "message": "[PATCH] Hugepage consolidation\n\nA lot of the code in arch/*/mm/hugetlbpage.c is quite similar. This patch\nattempts to consolidate a lot of the code across the arch\u0027s, putting the\ncombined version in mm/hugetlb.c. There are a couple of uglyish hacks in\norder to covert all the hugepage archs, but the result is a very large\nreduction in the total amount of code. It also means things like hugepage\nlazy allocation could be implemented in one place, instead of six.\n\nTested, at least a little, on ppc64, i386 and x86_64.\n\nNotes:\n\t- this patch changes the meaning of set_huge_pte() to be more\n\t analagous to set_pte()\n\t- does SH4 need s special huge_ptep_get_and_clear()??\n\nAcked-by: William Lee Irwin \u003cwli@holomorphy.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "e49332bd12e92da2df6d002f857ec62675ba2648", "tree": "f975cc5e4d93fc33e80f7213d2013e035bfc3ae7", "parents": [ "a71c1ab50a2a0f4dd9834bf5a917a2f064535c6b" ], "author": { "name": "Jesper Juhl", "email": "juhl-lkml@dif.dk", "time": "Sun May 01 08:59:08 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org", "time": "Sun May 01 08:59:08 2005 -0700" }, "message": "[PATCH] misc verify_area cleanups\n\nThere were still a few comments left refering to verify_area, and two\nfunctions, verify_area_skas \u0026 verify_area_tt that just wrap corresponding\naccess_ok_skas \u0026 access_ok_tt functions, just like verify_area does for\naccess_ok - deprecate those.\n\nThere was also a few places that still used verify_area in commented-out\ncode, fix those up to use access_ok.\n\nAfter applying this one there should not be anything left but finally\nremoving verify_area completely, which will happen after a kernel release\nor two.\n\nSigned-off-by: Jesper Juhl \u003cjuhl-lkml@dif.dk\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "d455a3696c72283923e6870e9e4fe1daa861d7cd", "tree": "572661a1ed6cceaf83cad55921b7812feace69ee", "parents": [ "cdfb82fff33cf3b1a367a427e5d89a012dc568b1" ], "author": { "name": "Hugh Dickins", "email": "hugh@veritas.com", "time": "Tue Apr 19 13:29:23 2005 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@ppc970.osdl.org.(none)", "time": "Tue Apr 19 13:29:23 2005 -0700" }, "message": "[PATCH] freepgt: arch FIRST_USER_ADDRESS 0\n\nReplace misleading definition of FIRST_USER_PGD_NR 0 by definition of\nFIRST_USER_ADDRESS 0 in all the MMU architectures beyond arm and arm26.\n\nSigned-off-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": "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" } ] }