)]}' { "log": [ { "commit": "ef8b4520bd9f8294ffce9abd6158085bde5dc902", "tree": "c099a16691ac06208f4d3d65b71e7adaf7361fcd", "parents": [ "0da7e01f5f37f441cccd7c8c0586e06db0981907" ], "author": { "name": "Christoph Lameter", "email": "clameter@sgi.com", "time": "Tue Oct 16 01:24:46 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue Oct 16 09:42:53 2007 -0700" }, "message": "Slab allocators: fail if ksize is called with a NULL parameter\n\nA NULL pointer means that the object was not allocated. One cannot\ndetermine the size of an object that has not been allocated. Currently we\nreturn 0 but we really should BUG() on attempts to determine the size of\nsomething nonexistent.\n\nkrealloc() interprets NULL to mean a zero sized object. Handle that\nseparately in krealloc().\n\nSigned-off-by: Christoph Lameter \u003cclameter@sgi.com\u003e\nAcked-by: Pekka Enberg \u003cpenberg@cs.helsinki.fi\u003e\nCc: Matt Mackall \u003cmpm@selenic.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "1e66df3ee301209f4a38df097d7cc5cb9b367a3f", "tree": "55beb2a342dbe08c0404f749e02808e3f09023ac", "parents": [ "8b4a40809e5330c9da5d20107d693d92d73b31dc" ], "author": { "name": "Jeremy Fitzhardinge", "email": "jeremy@xensource.com", "time": "Tue Jul 17 18:37:02 2007 -0700" }, "committer": { "name": "Jeremy Fitzhardinge", "email": "jeremy@goop.org", "time": "Wed Jul 18 08:47:39 2007 -0700" }, "message": "add kstrndup\n\nAdd a kstrndup function, modelled on strndup. Like strndup this\nreturns a string copied into its own allocated memory, but it copies\nno more than the specified number of bytes from the source.\n\nRemove private strndup() from irda code.\n\nSigned-off-by: Jeremy Fitzhardinge \u003cjeremy@xensource.com\u003e\nSigned-off-by: Chris Wright \u003cchrisw@sous-sol.org\u003e\nCc: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nCc: Randy Dunlap \u003crandy.dunlap@oracle.com\u003e\nCc: YOSHIFUJI Hideaki \u003cyoshfuji@linux-ipv6.org\u003e\nCc: Akinobu Mita \u003cakinobu.mita@gmail.com\u003e\nCc: Arnaldo Carvalho de Melo \u003cacme@mandriva.com\u003e\nCc: Al Viro \u003cviro@ftp.linux.org.uk\u003e\nCc: Panagiotis Issaris \u003ctakis@issaris.org\u003e\nCc: Rene Scharfe \u003crene.scharfe@lsrfire.ath.cx\u003e\n" }, { "commit": "81cda6626178cd55297831296ba8ecedbfd8b52d", "tree": "fa35a6a04db63080bbeb42f33f4b4a891b7fc96c", "parents": [ "ce15fea8274acca06daa1674322d37a7d3f0036b" ], "author": { "name": "Christoph Lameter", "email": "clameter@sgi.com", "time": "Tue Jul 17 04:03:29 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue Jul 17 10:23:01 2007 -0700" }, "message": "Slab allocators: Cleanup zeroing allocations\n\nIt becomes now easy to support the zeroing allocs with generic inline\nfunctions in slab.h. Provide inline definitions to allow the continued use of\nkzalloc, kmem_cache_zalloc etc but remove other definitions of zeroing\nfunctions from the slab allocators and util.c.\n\nSigned-off-by: Christoph Lameter \u003cclameter@sgi.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "6cb8f91320d3e720351c21741da795fed580b21b", "tree": "c9f73c8b82cd0f6c534939b8b9f36e8615b0ab2d", "parents": [ "ef2ad80c7d255ed0449eda947c2d700635b7e0f5" ], "author": { "name": "Christoph Lameter", "email": "clameter@sgi.com", "time": "Tue Jul 17 04:03:22 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue Jul 17 10:23:01 2007 -0700" }, "message": "Slab allocators: consistent ZERO_SIZE_PTR support and NULL result semantics\n\nDefine ZERO_OR_NULL_PTR macro to be able to remove the checks from the\nallocators. Move ZERO_SIZE_PTR related stuff into slab.h.\n\nMake ZERO_SIZE_PTR work for all slab allocators and get rid of the\nWARN_ON_ONCE(size \u003d\u003d 0) that is still remaining in SLAB.\n\nMake slub return NULL like the other allocators if a too large memory segment\nis requested via __kmalloc.\n\nSigned-off-by: Christoph Lameter \u003cclameter@sgi.com\u003e\nAcked-by: Pekka Enberg \u003cpenberg@cs.helsinki.fi\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "ef2ad80c7d255ed0449eda947c2d700635b7e0f5", "tree": "bc44916bdb25de29c8211566a4b5a1c041fa8ab6", "parents": [ "d45f39cb06610ea456e1d689149b9becacda8b40" ], "author": { "name": "Christoph Lameter", "email": "clameter@sgi.com", "time": "Tue Jul 17 04:03:21 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Tue Jul 17 10:23:01 2007 -0700" }, "message": "Slab allocators: consolidate code for krealloc in mm/util.c\n\nThe size of a kmalloc object is readily available via ksize(). ksize is\nprovided by all allocators and thus we can implement krealloc in a generic\nway.\n\nImplement krealloc in mm/util.c and drop slab specific implementations of\nkrealloc.\n\nSigned-off-by: Christoph Lameter \u003cclameter@sgi.com\u003e\nAcked-by: Pekka Enberg \u003cpenberg@cs.helsinki.fi\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "1d2c8eea698514cfaa53fc991b960791d09508e1", "tree": "e6e2b2d491e7e7256862fcc493b81815cc966312", "parents": [ "88ca3b94e82e763ef90c8e57cacd51a3c143ea62" ], "author": { "name": "Christoph Hellwig", "email": "hch@lst.de", "time": "Wed Oct 04 02:15:25 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Wed Oct 04 07:55:13 2006 -0700" }, "message": "[PATCH] slab: clean up leak tracking ifdefs a little bit\n\n- rename ____kmalloc to kmalloc_track_caller so that people have a chance\n to guess what it does just from it\u0027s name. Add a comment describing it\n for those who don\u0027t. Also move it after kmalloc in slab.h so people get\n less confused when they are just looking for kmalloc - move things around\n in slab.c a little to reduce the ifdef mess.\n\n[penberg@cs.helsinki.fi: Fix up reversed #ifdef]\nSigned-off-by: Christoph Hellwig \u003chch@lst.de\u003e\nSigned-off-by: Pekka Enberg \u003cpenberg@cs.helsinki.fi\u003e\nCc: Christoph Lameter \u003cclameter@engr.sgi.com\u003e\nCc: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "1a2f67b459bb7846d4a15924face63eb2683acc2", "tree": "4c010d4c4220c9523342fb0daac90a433f36b53e", "parents": [ "9442e691e4aec85eba43ac60a3e77c77fd2e73a4" ], "author": { "name": "Alexey Dobriyan", "email": "adobriyan@gmail.com", "time": "Sat Sep 30 23:27:20 2006 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Oct 01 00:39:19 2006 -0700" }, "message": "[PATCH] kmemdup: introduce\n\nOne of idiomatic ways to duplicate a region of memory is\n\n\tdst \u003d kmalloc(len, GFP_KERNEL);\n\tif (!dst)\n\t\treturn -ENOMEM;\n\tmemcpy(dst, src, len);\n\nwhich is neat code except a programmer needs to write size twice. Which\nsometimes leads to mistakes. If len passed to kmalloc is smaller that len\npassed to memcpy, it\u0027s straight overwrite-beyond-end. If len passed to\nmemcpy is smaller than len passed to kmalloc, it\u0027s either a) legit\nbehaviour ;-), or b) cloned buffer will contain garbage in second half.\n\nSlight trolling of commit lists shows several duplications bugs\ndone exactly because of diverged lenghts:\n\n\tLinux:\n\t\t[CRYPTO]: Fix memcpy/memset args.\n\t\t[PATCH] memcpy/memset fixes\n\tOpenBSD:\n\t\tkerberosV/src/lib/asn1: der_copy.c:1.4\n\nIf programmer is given only one place to play with lengths, I believe, such\nmistakes could be avoided.\n\nWith kmemdup, the snippet above will be rewritten as:\n\n\tdst \u003d kmemdup(src, len, GFP_KERNEL);\n\tif (!dst)\n\t\treturn -ENOMEM;\n\nThis also leads to smaller code (kzalloc effect). Quick grep shows\n200+ places where kmemdup() can be used.\n\nSigned-off-by: Alexey Dobriyan \u003cadobriyan@gmail.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "40c07ae8daa659b8feb149c84731629386873c16", "tree": "77d9e7572135de30f184103cc6dd36f9c0f8dfbf", "parents": [ "a8c0f9a41f88da703ade33f9c1626a55c786e8bb" ], "author": { "name": "Pekka Enberg", "email": "penberg@cs.helsinki.fi", "time": "Sat Mar 25 03:06:43 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sat Mar 25 08:22:49 2006 -0800" }, "message": "[PATCH] slab: optimize constant-size kzalloc calls\n\nAs suggested by Eric Dumazet, optimize kzalloc() calls that pass a\ncompile-time constant size. Please note that the patch increases kernel\ntext slightly (~200 bytes for defconfig on x86).\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": "871751e25d956ad24f129ca972b7851feaa61d53", "tree": "c3213a17481f601339ce0c81a22eebca0946c2c7", "parents": [ "f52ac8fec8a13e207f675b0c16e0d5f800c1c204" ], "author": { "name": "Al Viro", "email": "viro@zeniv.linux.org.uk", "time": "Sat Mar 25 03:06:39 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sat Mar 25 08:22:49 2006 -0800" }, "message": "[PATCH] slab: implement /proc/slab_allocators\n\nImplement /proc/slab_allocators. It produces output like:\n\nidr_layer_cache: 80 idr_pre_get+0x33/0x4e\nbuffer_head: 2555 alloc_buffer_head+0x20/0x75\nmm_struct: 9 mm_alloc+0x1e/0x42\nmm_struct: 20 dup_mm+0x36/0x370\nvm_area_struct: 384 dup_mm+0x18f/0x370\nvm_area_struct: 151 do_mmap_pgoff+0x2e0/0x7c3\nvm_area_struct: 1 split_vma+0x5a/0x10e\nvm_area_struct: 11 do_brk+0x206/0x2e2\nvm_area_struct: 2 copy_vma+0xda/0x142\nvm_area_struct: 9 setup_arg_pages+0x99/0x214\nfs_cache: 8 copy_fs_struct+0x21/0x133\nfs_cache: 29 copy_process+0xf38/0x10e3\nfiles_cache: 30 alloc_files+0x1b/0xcf\nsignal_cache: 81 copy_process+0xbaa/0x10e3\nsighand_cache: 77 copy_process+0xe65/0x10e3\nsighand_cache: 1 de_thread+0x4d/0x5f8\nanon_vma: 241 anon_vma_prepare+0xd9/0xf3\nsize-2048: 1 add_sect_attrs+0x5f/0x145\nsize-2048: 2 journal_init_revoke+0x99/0x302\nsize-2048: 2 journal_init_revoke+0x137/0x302\nsize-2048: 2 journal_init_inode+0xf9/0x1c4\n\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nCc: Alexander Nyberg \u003calexn@telia.com\u003e\nCc: Pekka Enberg \u003cpenberg@cs.helsinki.fi\u003e\nCc: Christoph Lameter \u003cclameter@engr.sgi.com\u003e\nCc: Ravikiran Thirumalai \u003ckiran@scalex86.org\u003e\nSigned-off-by: Al Viro \u003cviro@zeniv.linux.org.uk\u003e\nDESC\nslab-leaks3-locking-fix\nEDESC\nFrom: Andrew Morton \u003cakpm@osdl.org\u003e\n\nUpdate for slab-remove-cachep-spinlock.patch\n\nCc: Al Viro \u003cviro@ftp.linux.org.uk\u003e\nCc: Manfred Spraul \u003cmanfred@colorfullife.com\u003e\nCc: Alexander Nyberg \u003calexn@telia.com\u003e\nCc: Pekka Enberg \u003cpenberg@cs.helsinki.fi\u003e\nCc: Christoph Lameter \u003cclameter@engr.sgi.com\u003e\nCc: Ravikiran Thirumalai \u003ckiran@scalex86.org\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "96840aa00a031069a136ec4c55d0bdd09ac6d3a7", "tree": "f93592ca47f2412aa0cce3ce4c116d1678a42239", "parents": [ "6687a97d4041f996f725902d2990e5de6ef5cbe5" ], "author": { "name": "Davi Arnaut", "email": "davi.arnaut@gmail.com", "time": "Fri Mar 24 03:18:42 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Fri Mar 24 07:33:31 2006 -0800" }, "message": "[PATCH] strndup_user()\n\nThis patch series creates a strndup_user() function to easy copying C strings\nfrom userspace. Also we avoid common pitfalls like userspace modifying the\nfinal \\0 after the strlen_user().\n\nSigned-off-by: Davi Arnaut \u003cdavi.arnaut@gmail.com\u003e\nCc: David Howells \u003cdhowells@redhat.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" }, { "commit": "30992c97ae9d01b17374fbfab76a869fb4bba500", "tree": "b1ea66bec56fabd80571696d0b081423dcab2340", "parents": [ "50dd26ba0947aa653f0e42897aad7a4adce4e620" ], "author": { "name": "Matt Mackall", "email": "mpm@selenic.com", "time": "Sun Jan 08 01:01:43 2006 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@g5.osdl.org", "time": "Sun Jan 08 20:13:41 2006 -0800" }, "message": "[PATCH] slob: introduce mm/util.c for shared functions\n\nAdd mm/util.c for functions common between SLAB and SLOB.\n\nSigned-off-by: Matt Mackall \u003cmpm@selenic.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@osdl.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@osdl.org\u003e\n" } ] }