)]}' { "log": [ { "commit": "811158b147a503fbdf9773224004ffd32002d1fe", "tree": "0a11dcfefe721bfc38ea9f1f4a238822dbae0dda", "parents": [ "4e76c5ccd5ac9bd003467d3bb0f49b18572dd4cd", "b26e0ed4936b743b693a4cc1413561fa3e4eaf65" ], "author": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Apr 03 15:24:35 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Apr 03 15:24:35 2009 -0700" }, "message": "Merge branch \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial\n\n* \u0027for-linus\u0027 of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (28 commits)\n trivial: Update my email address\n trivial: NULL noise: drivers/mtd/tests/mtd_*test.c\n trivial: NULL noise: drivers/media/dvb/frontends/drx397xD_fw.h\n trivial: Fix misspelling of \"Celsius\".\n trivial: remove unused variable \u0027path\u0027 in alloc_file()\n trivial: fix a pdlfush -\u003e pdflush typo in comment\n trivial: jbd header comment typo fix for JBD_PARANOID_IOFAIL\n trivial: wusb: Storage class should be before const qualifier\n trivial: drivers/char/bsr.c: Storage class should be before const qualifier\n trivial: h8300: Storage class should be before const qualifier\n trivial: fix where cgroup documentation is not correctly referred to\n trivial: Give the right path in Documentation example\n trivial: MTD: remove EOL from MODULE_DESCRIPTION\n trivial: Fix typo in bio_split()\u0027s documentation\n trivial: PWM: fix of #endif comment\n trivial: fix typos/grammar errors in Kconfig texts\n trivial: Fix misspelling of firmware\n trivial: cgroups: documentation typo and spelling corrections\n trivial: Update contact info for Jochen Hein\n trivial: fix typo \"resgister\" -\u003e \"register\"\n ...\n" }, { "commit": "b6719ec1ad54e47e40633b19703f2c1254708842", "tree": "3db0fe0ec0a92a006562de9b012d2a89ddce19eb", "parents": [ "66bdc9cfc77ba89a9ee6c82d28375b646ab4bb1d" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Thu Apr 02 16:57:28 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Apr 02 19:04:54 2009 -0700" }, "message": "cgroups: more documentation for remount and release_agent\n\nThis won\u0027t remove cpuacct from the mounted hierachy:\n # mount -t cgroup -o cpu,cpuacct xxx /mnt\n # mount -o remount,cpu /mnt\n\nBecause for this usage mount(8) will append the new options to the original\noptions.\n\nAnd this will get you right:\n # mount [-t cgroup] -o remount,cpu xxx /mnt\n\nAlso document how to specify or change release_agent.\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nReviewd-by: KAMEZAWA Hiroyuki \u003ckamezawa.hiroyu@jp.fujitsu.com\u003e\nCc: Paul Menage \u003cmenage@google.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "ec64f51545fffbc4cb968f0cea56341a4b07e85a", "tree": "575d890a6759d81f3324fa2a22ca6ab14a41eefc", "parents": [ "38460b48d06440de46b34cb778bd6c4855030754" ], "author": { "name": "KAMEZAWA Hiroyuki", "email": "kamezawa.hiroyu@jp.fujitsu.com", "time": "Thu Apr 02 16:57:26 2009 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Apr 02 19:04:54 2009 -0700" }, "message": "cgroup: fix frequent -EBUSY at rmdir\n\nIn following situation, with memory subsystem,\n\n\t/groupA use_hierarchy\u003d\u003d1\n\t\t/01 some tasks\n\t\t/02 some tasks\n\t\t/03 some tasks\n\t\t/04 empty\n\nWhen tasks under 01/02/03 hit limit on /groupA, hierarchical reclaim\nis triggered and the kernel walks tree under groupA. In this case,\nrmdir /groupA/04 fails with -EBUSY frequently because of temporal\nrefcnt from the kernel.\n\nIn general. cgroup can be rmdir\u0027d if there are no children groups and\nno tasks. Frequent fails of rmdir() is not useful to users.\n(And the reason for -EBUSY is unknown to users.....in most cases)\n\nThis patch tries to modify above behavior, by\n\t- retries if css_refcnt is got by someone.\n\t- add \"return value\" to pre_destroy() and allows subsystem to\n\t say \"we\u0027re really busy!\"\n\nSigned-off-by: KAMEZAWA Hiroyuki \u003ckamezawa.hiroyu@jp.fujitsu.com\u003e\nCc: Paul Menage \u003cmenage@google.com\u003e\nCc: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nCc: Balbir Singh \u003cbalbir@in.ibm.com\u003e\nCc: Daisuke Nishimura \u003cnishimura@mxp.nes.nec.co.jp\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "caa790ba6cb88dccfab356960d93e2f4e0bd8704", "tree": "c022a12722ba2e60a0091736c23f80918d3610fd", "parents": [ "c0496f4ec5f03df3caf2aa384158a78c6adc79c0" ], "author": { "name": "Chris Samuel", "email": "chris@csamuel.org", "time": "Sat Jan 17 00:01:18 2009 +1100" }, "committer": { "name": "Jiri Kosina", "email": "jkosina@suse.cz", "time": "Mon Mar 30 15:21:58 2009 +0200" }, "message": "trivial: cgroups: documentation typo and spelling corrections\n\nMinor typo and spelling corrections fixed whilst reading\nto learn about cgroups capabilities.\n\nSigned-off-by: Chris Samuel \u003cchris@csamuel.org\u003e\nAcked-by: Paul Menage \u003cmenage@google.com\u003e\nSigned-off-by: Jiri Kosina \u003cjkosina@suse.cz\u003e\n" }, { "commit": "b851ee7921fabdd7dfc96ffc4e9609f5062bd12b", "tree": "7f226e34bbb825d3fdb6967f5c4fb77d5983eb06", "parents": [ "b6d6c5175809934e04a606d9193ef04924a7a7d9" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Wed Feb 18 14:48:14 2009 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Wed Feb 18 15:37:53 2009 -0800" }, "message": "cgroups: update documentation about css_set hash table\n\nThe css_set hash table was introduced in 2.6.26, so update the\ndocumentation accordingly.\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nAcked-by: Paul Menage \u003cmenage@google.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "45ce80fb6b6f9594d1396d44dd7e7c02d596fef8", "tree": "2409270f7073c08329ac01c82df0509a264af48c", "parents": [ "23964d2d02984d44aeb2d84d7ffb3359e728df43" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Thu Jan 15 13:50:59 2009 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jan 15 16:39:37 2009 -0800" }, "message": "cgroups: consolidate cgroup documents\n\nMove Documentation/cpusets.txt and Documentation/controllers/* to\nDocumentation/cgroups/\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nAcked-by: KAMEZAWA Hiroyuki \u003ckamezawa.hiroyu@jp.fujitsu.com\u003e\nAcked-by: Balbir Singh \u003cbalbir@linux.vnet.ibm.com\u003e\nAcked-by: Paul Menage \u003cmenage@google.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "999cd8a450f8f93701669a61cac4d3b19eca07e8", "tree": "990e5b08e6db971d2e9943f89abf39e7c8f4cb1e", "parents": [ "b5a84319a4343a0db753436fd8147e61eaafa7ea" ], "author": { "name": "Paul Menage", "email": "menage@google.com", "time": "Wed Jan 07 18:08:36 2009 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jan 08 08:31:10 2009 -0800" }, "message": "cgroups: add a per-subsystem hierarchy_mutex\n\nThese patches introduce new locking/refcount support for cgroups to\nreduce the need for subsystems to call cgroup_lock(). This will\nultimately allow the atomicity of cgroup_rmdir() (which was removed\nrecently) to be restored.\n\nThese three patches give:\n\n1/3 - introduce a per-subsystem hierarchy_mutex which a subsystem can\n use to prevent changes to its own cgroup tree\n\n2/3 - use hierarchy_mutex in place of calling cgroup_lock() in the\n memory controller\n\n3/3 - introduce a css_tryget() function similar to the one recently\n proposed by Kamezawa, but avoiding spurious refcount failures in\n the event of a race between a css_tryget() and an unsuccessful\n cgroup_rmdir()\n\nFuture patches will likely involve:\n\n- using hierarchy mutex in place of cgroup_lock() in more subsystems\n where appropriate\n\n- restoring the atomicity of cgroup_rmdir() with respect to cgroup_create()\n\nThis patch:\n\nAdd a hierarchy_mutex to the cgroup_subsys object that protects changes to\nthe hierarchy observed by that subsystem. It is taken by the cgroup\nsubsystem (in addition to cgroup_mutex) for the following operations:\n\n- linking a cgroup into that subsystem\u0027s cgroup tree\n- unlinking a cgroup from that subsystem\u0027s cgroup tree\n- moving the subsystem to/from a hierarchy (including across the\n bind() callback)\n\nThus if the subsystem holds its own hierarchy_mutex, it can safely\ntraverse its own hierarchy.\n\nSigned-off-by: Paul Menage \u003cmenage@google.com\u003e\nTested-by: KAMEZAWA Hiroyuki \u003ckamezawa.hiroyu@jp.fujitsu.com\u003e\nCc: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nCc: Balbir Singh \u003cbalbir@in.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "18e7f1f0d34be4a39f7f47324a3e26b43fddb714", "tree": "91ac7e598579b6a2eff140cb1478d198557afc2c", "parents": [ "5cdc38f98596662620b822a4e13f797c3f2f65e0" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Wed Jan 07 18:07:32 2009 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Thu Jan 08 08:31:01 2009 -0800" }, "message": "cgroups: documentation updates\n\n- remove \u0027releasable\u0027 since it has been moved to the debug subsys.\n- update lock requirements of subsys callbacks.\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nCc: Paul Menage \u003cmenage@google.com\u003e\nCc: KAMEZAWA Hiroyuki \u003ckamezawa.hiroyu@jp.fujitsu.com\u003e\nCc: Balbir Singh \u003cbalbir@in.ibm.com\u003e\nCc: Pavel Emelyanov \u003cxemul@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": "bde5ab65581a63e9f4f4bacfae8f201d04d25bed", "tree": "b159612b2acc416878a1a80a0aea47f7469163d2", "parents": [ "1aece34833721d64eb33fc15cd923c727296d3d3" ], "author": { "name": "Matt Helsley", "email": "matthltc@us.ibm.com", "time": "Sat Oct 18 20:27:24 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Mon Oct 20 08:52:34 2008 -0700" }, "message": "container freezer: document the cgroup freezer subsystem.\n\nDescribe why we need the freezer subsystem and how to use it in a\ndocumentation file. Since the cgroups.txt file is focused on the\nsubsystem-agnostic portions of cgroups make a directory and move the old\ncgroups.txt file at the same time.\n\nSigned-off-by: Matt Helsley \u003cmatthltc@us.ibm.com\u003e\nCc: Paul Menage \u003cmenage@google.com\u003e\nCc: containers@lists.linux-foundation.org\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "bef67c5a7d3a9c45e091e36625c09c0c811e2672", "tree": "9e26d7896d6bf96ac8f65cf1b47955601705a921", "parents": [ "4e0d13cbb71de2b1baf71ddd3c14f7ba8da810e5" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Fri Jul 04 09:59:55 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Fri Jul 04 10:40:08 2008 -0700" }, "message": "cgroups: document the effect of attaching PID 0 to a cgroup\n\nDocument that a pid of zero(0) can be used to refer to the current task\nwhen attaching a task to a cgroup, as in the following usage:\n\n\t# echo 0 \u003e /dev/cgroup/tasks\n\nThis is consistent with existing cpuset behavior.\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nAcked-by: Paul Jackson \u003cpj@sgi.com\u003e\nAcked-by: Dhaval Giani \u003cdhaval@linux.vnet.ibm.com\u003e\nCc: Paul Menage \u003cmenage@google.com\u003e\nCc: Balbir Singh \u003cbalbir@in.ibm.com\u003e\nCc: Andrea Righi \u003crighi.andrea@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": "0f146a764ff08c4c210c04239c5e6784b4b77485", "tree": "66231367ac864e37cd7dce92b9723a8b369e2baf", "parents": [ "4cd1a8fc3d3cd740416b14ece2693dbb5d065eaf" ], "author": { "name": "Dhaval Giani", "email": "dhaval@linux.vnet.ibm.com", "time": "Mon May 12 14:02:31 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue May 13 08:02:25 2008 -0700" }, "message": "cgroups: fix documentation\n\nCorrect the cgroups documentation to reflect the correct file names.\n\nSigned-off-by: Dhaval Giani \u003cdhaval@linux.vnet.ibm.com\u003e\nCc: Sudhir Kumar \u003cskumar@linux.vnet.ibm.com\u003e\nCc: Balbir Singh \u003cbalbir@in.ibm.com\u003e\nCc: KAMEZAWA Hiroyuki \u003ckamezawa.hiroyu@jp.fujitsu.com\u003e\nAcked-by: Paul Menage \u003cmenage@google.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "e8d55fdeb882cfcb5e8db5a5ce16edfba78aafc5", "tree": "0c0a7338d8adb2aaf4310eb89d1679c802ea617d", "parents": [ "472b1053f3c319cc60bfb2a0bb062fed77a93eb6" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Tue Apr 29 01:00:13 2008 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@linux-foundation.org", "time": "Tue Apr 29 08:06:10 2008 -0700" }, "message": "cgroups: simplify init_subsys()\n\nWe are at system boot and there is only 1 cgroup group (i,e, init_css_set), so\nwe don\u0027t need to run through the css_set linked list. Neither do we need to\nrun through the task list, since no processes have been created yet.\n\nAlso referring to a comment in cgroup.h:\n\nstruct css_set\n{\n\t...\n\t/*\n\t * Set of subsystem states, one for each subsystem. This array\n\t * is immutable after creation apart from the init_css_set\n\t * during subsystem registration (at boot time).\n\t */\n\tstruct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT];\n}\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nReviewed-by: Paul Menage \u003cmenage@google.com\u003e\nCc: Balbir Singh \u003cbalbir@linux.vnet.ibm.com\u003e\nCc: Pavel Emelyanov \u003cxemul@openvz.org\u003e\nCc: KAMEZAWA Hiroyuki \u003ckamezawa.hiroyu@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": "d19e0583300da82a6e27cd2116f558048502edaa", "tree": "6c4d86cb9d5da8f752cd67be47a6d8940128034a", "parents": [ "b5a0e011329431b90d315eaf6ca5fdb41df7a117" ], "author": { "name": "Li Zefan", "email": "lizf@cn.fujitsu.com", "time": "Sat Feb 23 15:24:08 2008 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Sat Feb 23 17:13:24 2008 -0800" }, "message": "cgroup: fix and update documentation\n\nMisc fixes and updates, make the doc consistent with current cgroup\nimplementation.\n\nSigned-off-by: Li Zefan \u003clizf@cn.fujitsu.com\u003e\nAcked-by: Paul Menage \u003cmenage@google.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "8dc4f3e17dd5f7e59ce568155ccd8974af879315", "tree": "959b1197fea798c9daae4dd6c9596ab710d41fda", "parents": [ "622d42cac9ed42098aa50c53994f625abfa3d473" ], "author": { "name": "Paul Menage", "email": "menage@google.com", "time": "Thu Feb 07 00:13:45 2008 -0800" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Thu Feb 07 08:42:18 2008 -0800" }, "message": "cgroups: move cgroups destroy() callbacks to cgroup_diput()\n\nMove the calls to the cgroup subsystem destroy() methods from\ncgroup_rmdir() to cgroup_diput(). This allows control file reads and\nwrites to access their subsystem state without having to be concerned with\nlocking against cgroup destruction - the control file dentry will keep the\ncgroup and its subsystem state objects alive until the file is closed.\n\nThe documentation is updated to reflect the changed semantics of destroy();\nadditionally the locking comments for destroy() and some other methods were\nclarified and decrustified.\n\nSigned-off-by: Paul Menage \u003cmenage@google.com\u003e\nCc: Paul Jackson \u003cpj@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": "817929ec274bcfe771586d338bb31d1659615686", "tree": "5a96ed1afd308016e8720437a00bf2f114e907cb", "parents": [ "a424316ca154317367c7ddf89997d1c80e4a8051" ], "author": { "name": "Paul Menage", "email": "menage@google.com", "time": "Thu Oct 18 23:39:36 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Oct 19 11:53:36 2007 -0700" }, "message": "Task Control Groups: shared cgroup subsystem group arrays\n\nReplace the struct css_set embedded in task_struct with a pointer; all tasks\nthat have the same set of memberships across all hierarchies will share a\ncss_set object, and will be linked via their css_sets field to the \"tasks\"\nlist_head in the css_set.\n\nAssuming that many tasks share the same cgroup assignments, this reduces\noverall space usage and keeps the size of the task_struct down (three pointers\nadded to task_struct compared to a non-cgroups kernel, no matter how many\nsubsystems are registered).\n\n[akpm@linux-foundation.org: fix a printk]\n[akpm@linux-foundation.org: build fix]\nSigned-off-by: Paul Menage \u003cmenage@google.com\u003e\nCc: Serge E. Hallyn \u003cserue@us.ibm.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Dave Hansen \u003chaveblue@us.ibm.com\u003e\nCc: Balbir Singh \u003cbalbir@in.ibm.com\u003e\nCc: Paul Jackson \u003cpj@sgi.com\u003e\nCc: Kirill Korotaev \u003cdev@openvz.org\u003e\nCc: Herbert Poetzl \u003cherbert@13thfloor.at\u003e\nCc: Srivatsa Vaddagiri \u003cvatsa@in.ibm.com\u003e\nCc: Cedric Le Goater \u003cclg@fr.ibm.com\u003e\nCc: Serge E. Hallyn \u003cserue@us.ibm.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Dave Hansen \u003chaveblue@us.ibm.com\u003e\nCc: Balbir Singh \u003cbalbir@in.ibm.com\u003e\nCc: Paul Jackson \u003cpj@sgi.com\u003e\nCc: Kirill Korotaev \u003cdev@openvz.org\u003e\nCc: Herbert Poetzl \u003cherbert@13thfloor.at\u003e\nCc: Srivatsa Vaddagiri \u003cvatsa@in.ibm.com\u003e\nCc: Cedric Le Goater \u003cclg@fr.ibm.com\u003e\nCc: KAMEZAWA Hiroyuki \u003ckamezawa.hiroyu@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": "697f41610863c9264a7ae26dac9a387c9dda8c84", "tree": "9d4321f93abe36920a8e9d5239d120803f6cabbc", "parents": [ "b4f48b6363c81ca743ef46943ef23fd72e60f679" ], "author": { "name": "Paul Menage", "email": "menage@google.com", "time": "Thu Oct 18 23:39:34 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Oct 19 11:53:36 2007 -0700" }, "message": "Task Control Groups: add cgroup_clone() interface\n\nAdd support for cgroup_clone(), a way to create new cgroups intended to\nbe used for systems such as namespace unsharing. A new subsystem callback,\npost_clone(), is added to allow subsystems to automatically configure cloned\ncgroups.\n\nSigned-off-by: Paul Menage \u003cmenage@google.com\u003e\nCc: Serge E. Hallyn \u003cserue@us.ibm.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Dave Hansen \u003chaveblue@us.ibm.com\u003e\nCc: Balbir Singh \u003cbalbir@in.ibm.com\u003e\nCc: Paul Jackson \u003cpj@sgi.com\u003e\nCc: Kirill Korotaev \u003cdev@openvz.org\u003e\nCc: Herbert Poetzl \u003cherbert@13thfloor.at\u003e\nCc: Srivatsa Vaddagiri \u003cvatsa@in.ibm.com\u003e\nCc: Cedric Le Goater \u003cclg@fr.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" }, { "commit": "ddbcc7e8e50aefe467c01cac3dec71f118cd8ac2", "tree": "0881a031e669582f819d572339e955b04abfc3d2", "parents": [ "55a230aae650157720becc09cadb7d10efbf5013" ], "author": { "name": "Paul Menage", "email": "menage@google.com", "time": "Thu Oct 18 23:39:30 2007 -0700" }, "committer": { "name": "Linus Torvalds", "email": "torvalds@woody.linux-foundation.org", "time": "Fri Oct 19 11:53:36 2007 -0700" }, "message": "Task Control Groups: basic task cgroup framework\n\nGeneric Process Control Groups\n--------------------------\n\nThere have recently been various proposals floating around for\nresource management/accounting and other task grouping subsystems in\nthe kernel, including ResGroups, User BeanCounters, NSProxy\ncgroups, and others. These all need the basic abstraction of being\nable to group together multiple processes in an aggregate, in order to\ntrack/limit the resources permitted to those processes, or control\nother behaviour of the processes, and all implement this grouping in\ndifferent ways.\n\nThis patchset provides a framework for tracking and grouping processes\ninto arbitrary \"cgroups\" and assigning arbitrary state to those\ngroupings, in order to control the behaviour of the cgroup as an\naggregate.\n\nThe intention is that the various resource management and\nvirtualization/cgroup efforts can also become task cgroup\nclients, with the result that:\n\n- the userspace APIs are (somewhat) normalised\n\n- it\u0027s easier to test e.g. the ResGroups CPU controller in\n conjunction with the BeanCounters memory controller, or use either of\nthem as the resource-control portion of a virtual server system.\n\n- the additional kernel footprint of any of the competing resource\n management systems is substantially reduced, since it doesn\u0027t need\n to provide process grouping/containment, hence improving their\n chances of getting into the kernel\n\nThis patch:\n\nAdd the main task cgroups framework - the cgroup filesystem, and the\nbasic structures for tracking membership and associating subsystem state\nobjects to tasks.\n\nSigned-off-by: Paul Menage \u003cmenage@google.com\u003e\nCc: Serge E. Hallyn \u003cserue@us.ibm.com\u003e\nCc: \"Eric W. Biederman\" \u003cebiederm@xmission.com\u003e\nCc: Dave Hansen \u003chaveblue@us.ibm.com\u003e\nCc: Balbir Singh \u003cbalbir@in.ibm.com\u003e\nCc: Paul Jackson \u003cpj@sgi.com\u003e\nCc: Kirill Korotaev \u003cdev@openvz.org\u003e\nCc: Herbert Poetzl \u003cherbert@13thfloor.at\u003e\nCc: Srivatsa Vaddagiri \u003cvatsa@in.ibm.com\u003e\nCc: Cedric Le Goater \u003cclg@fr.ibm.com\u003e\nSigned-off-by: Andrew Morton \u003cakpm@linux-foundation.org\u003e\nSigned-off-by: Linus Torvalds \u003ctorvalds@linux-foundation.org\u003e\n" } ] }