The patch titled
memory cgroup enhancements: implicit force_empty() at rmdir
has been removed from the -mm tree. Its filename was
memory-cgroup-enhancements-implicit-force_empty-at-rmdir.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: memory cgroup enhancements: implicit force_empty() at rmdir
From: KAMEZAWA Hiroyuki <[EMAIL PROTECTED]>
Add pre_destroy handler for mem_cgroup and try to make mem_cgroup empty at
rmdir().
Signed-off-by: KAMEZAWA Hiroyuki <[EMAIL PROTECTED]>
Cc: "Eric W. Biederman" <[EMAIL PROTECTED]>
Cc: Balbir Singh <[EMAIL PROTECTED]>
Cc: David Rientjes <[EMAIL PROTECTED]>
Cc: Herbert Poetzl <[EMAIL PROTECTED]>
Cc: Kirill Korotaev <[EMAIL PROTECTED]>
Cc: Nick Piggin <[EMAIL PROTECTED]>
Cc: Paul Menage <[EMAIL PROTECTED]>
Cc: Pavel Emelianov <[EMAIL PROTECTED]>
Cc: Peter Zijlstra <[EMAIL PROTECTED]>
Cc: Vaidyanathan Srinivasan <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
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
@@ -895,6 +895,13 @@ 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)
{
@@ -946,6 +953,7 @@ 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 [EMAIL PROTECTED] are
origin.patch
enable-hotplug-memory-remove-for-ppc64.patch
add-arch-specific-walk_memory_remove-for-ppc64.patch
memory-hotplug-add-removable-to-sysfs-to-show-memblock-removability.patch
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