+ memcg-dont-initialize-kmem-cache-destroying-work-for-root-caches.patch added to -mm tree

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Subject: + memcg-dont-initialize-kmem-cache-destroying-work-for-root-caches.patch added to -mm tree
To: avagin@xxxxxxxxxx,bsingharora@xxxxxxxxx,glommer@xxxxxxxxxx,hannes@xxxxxxxxxxx,kamezawa.hiroyu@xxxxxxxxxxxxxx,khlebnikov@xxxxxxxxxx,mhocko@xxxxxxx,stable@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 05 Aug 2013 13:05:42 -0700


The patch titled
     Subject: memcg: don't initialize kmem-cache destroying work for root caches
has been added to the -mm tree.  Its filename is
     memcg-dont-initialize-kmem-cache-destroying-work-for-root-caches.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/memcg-dont-initialize-kmem-cache-destroying-work-for-root-caches.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/memcg-dont-initialize-kmem-cache-destroying-work-for-root-caches.patch

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The -mm tree is included into linux-next and is updated
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------------------------------------------------------
From: Andrey Vagin <avagin@xxxxxxxxxx>
Subject: memcg: don't initialize kmem-cache destroying work for root caches

struct memcg_cache_params has a union.  Different parts of this union are
used for root and non-root caches.  A part with destroying work is used
only for non-root caches.

I fixed the same problem in another place v3.9-rc1-16204-gf101a94, but
didn't notice this one.

Signed-off-by: Andrey Vagin <avagin@xxxxxxxxxx>
Cc: Glauber Costa <glommer@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Cc: Balbir Singh <bsingharora@xxxxxxxxx>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>    [3.9.x]
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/memcontrol.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff -puN mm/memcontrol.c~memcg-dont-initialize-kmem-cache-destroying-work-for-root-caches mm/memcontrol.c
--- a/mm/memcontrol.c~memcg-dont-initialize-kmem-cache-destroying-work-for-root-caches
+++ a/mm/memcontrol.c
@@ -3195,11 +3195,11 @@ int memcg_register_cache(struct mem_cgro
 	if (!s->memcg_params)
 		return -ENOMEM;
 
-	INIT_WORK(&s->memcg_params->destroy,
-			kmem_cache_destroy_work_func);
 	if (memcg) {
 		s->memcg_params->memcg = memcg;
 		s->memcg_params->root_cache = root_cache;
+		INIT_WORK(&s->memcg_params->destroy,
+				kmem_cache_destroy_work_func);
 	} else
 		s->memcg_params->is_root_cache = true;
 
_

Patches currently in -mm which might be from avagin@xxxxxxxxxx are

memcg-dont-initialize-kmem-cache-destroying-work-for-root-caches.patch
move-exit_task_namespaces-outside-of-exit_notify-fix.patch
procfs-remove-extra-call-of-dir_emit_dots.patch
linux-next.patch

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