From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: + memory-cgroup-enhancements-implicit-force-empty-at-rmdir.patch added to -mm tree Date: Wed, 31 Oct 2007 15:16:13 -0700 Message-ID: <200710312216.l9VMGD5M031794@imap1.linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from smtp2.linux-foundation.org ([207.189.120.14]:36917 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755004AbXJaWWN (ORCPT ); Wed, 31 Oct 2007 18:22:13 -0400 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: mm-commits@vger.kernel.org Cc: kamezawa.hiroyu@jp.fujitsu.com, a.p.zijlstra@chello.nl, balbir@linux.vnet.ibm.com, dev@sw.ru, ebiederm@xmission.com, herbert@13thfloor.at, menage@google.com, nickpiggin@yahoo.com.au, rientjes@google.com, svaidy@linux.vnet.ibm.com, xemul@openvz.org The patch titled memory cgroup enhancements: implicit force empty at rmdir() has been added to the -mm tree. Its filename is memory-cgroup-enhancements-implicit-force-empty-at-rmdir.patch *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find out what to do about this ------------------------------------------------------ Subject: memory cgroup enhancements: implicit force empty at rmdir() From: KAMEZAWA Hiroyuki This patch adds pre_destroy handler for mem_cgroup and try to make mem_cgroup empty at rmdir(). Signed-off-by: KAMEZAWA Hiroyuki Cc: Balbir Singh Cc: Pavel Emelianov Cc: Paul Menage Cc: Peter Zijlstra Cc: "Eric W. Biederman" Cc: Nick Piggin Cc: Kirill Korotaev Cc: Herbert Poetzl Cc: David Rientjes Cc: Vaidyanathan Srinivasan Signed-off-by: Andrew Morton --- mm/memcontrol.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff -puN mm/memcontrol.c~memory-cgroup-enhancements-implicit-force-empty-at-rmdir mm/memcontrol.c --- a/mm/memcontrol.c~memory-cgroup-enhancements-implicit-force-empty-at-rmdir +++ a/mm/memcontrol.c @@ -908,6 +908,13 @@ mem_cgroup_create(struct cgroup_subsys * return &mem->css; } +static void mem_cgroup_pre_destroy(struct cgroup_subsys *ss, + struct cgroup *cont) +{ + struct mem_cgroup *mem = mem_cgroup_from_cont(cont); + mem_cgroup_force_empty(mem); +} + static void mem_cgroup_destroy(struct cgroup_subsys *ss, struct cgroup *cont) { @@ -959,6 +966,7 @@ struct cgroup_subsys mem_cgroup_subsys = .name = "memory", .subsys_id = mem_cgroup_subsys_id, .create = mem_cgroup_create, + .pre_destroy = mem_cgroup_pre_destroy, .destroy = mem_cgroup_destroy, .populate = mem_cgroup_populate, .attach = mem_cgroup_move_task, _ Patches currently in -mm which might be from kamezawa.hiroyu@jp.fujitsu.com are git-sh.patch memory-hotplug-add-removable-to-sysfs-to-show-memblock-removability.patch pie-executable-randomization.patch pie-executable-randomization-checkpatch-fixes.patch memory-controller-make-charging-gfp-mask-aware-fix.patch bugfix-for-memory-cgroup-controller-charge-refcnt-race-fix.patch bugfix-for-memory-cgroup-controller-fix-error-handling-path-in-mem_charge_cgroup.patch bugfix-for-memory-controller-add-helper-function-for-assigning-cgroup-to-page.patch bugfix-for-memory-cgroup-controller-avoid-pagelru-page-in-mem_cgroup_isolate_pages.patch bugfix-for-memory-cgroup-controller-avoid-pagelru-page-in-mem_cgroup_isolate_pages-fix.patch bugfix-for-memory-cgroup-controller-migration-under-memory-controller-fix.patch memory-cgroup-enhancements-fix-zone-handling-in-try_to_free_mem_cgroup_page.patch memory-cgroup-enhancements-force_empty-interface-for-dropping-all-account-in-empty-cgroup.patch memory-cgroup-enhancements-remember-a-page-is-charged-as-page-cache.patch memory-cgroup-enhancements-remember-a-page-is-on-active-list-of-cgroup-or-not.patch memory-cgroup-enhancements-add-status-accounting-function-for-memory-cgroup.patch memory-cgroup-enhancements-add-status-accounting-function-for-memory-cgroup-checkpatch-fixes.patch memory-cgroup-enhancements-add-status-accounting-function-for-memory-cgroup-fix-1.patch memory-cgroup-enhancements-add-status-accounting-function-for-memory-cgroup-uninlining.patch memory-cgroup-enhancements-add-status-accounting-function-for-memory-cgroup-fix-2.patch memory-cgroup-enhancements-add-memorystat-file.patch memory-cgroup-enhancements-add-memorystat-file-checkpatch-fixes.patch memory-cgroup-enhancements-add-pre_destroy-handler.patch memory-cgroup-enhancements-implicit-force-empty-at-rmdir.patch