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From: Vladimir Davydov <vdavydov@parallels.com>
To: akpm@linux-foundation.org
Cc: hannes@cmpxchg.org, mhocko@suse.cz, glommer@gmail.com,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	devel@openvz.org
Subject: [PATCH -mm 04/12] memcg: move slab caches list/mutex init to memcg creation
Date: Wed, 26 Feb 2014 19:05:09 +0400	[thread overview]
Message-ID: <0bd569d6a70e144d39f6749b5592803ee666367f.1393423762.git.vdavydov@parallels.com> (raw)
In-Reply-To: <cover.1393423762.git.vdavydov@parallels.com>

I need them initialized for cgroups that haven't got kmem accounting
initialized.

Signed-off-by: Vladimir Davydov <vdavydov@parallels.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Glauber Costa <glommer@gmail.com>
---
 mm/memcontrol.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 1b9634090454..69431f5285cc 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5122,8 +5122,6 @@ static int __memcg_activate_kmem(struct mem_cgroup *memcg,
 		goto out_rmid;
 
 	memcg->kmemcg_id = memcg_id;
-	INIT_LIST_HEAD(&memcg->memcg_slab_caches);
-	mutex_init(&memcg->slab_caches_mutex);
 
 	/*
 	 * We couldn't have accounted to this cgroup, because it hasn't got the
@@ -5870,6 +5868,9 @@ static int memcg_init_kmem(struct mem_cgroup *memcg, struct cgroup_subsys *ss)
 	int ret;
 
 	memcg->kmemcg_id = -1;
+	INIT_LIST_HEAD(&memcg->memcg_slab_caches);
+	mutex_init(&memcg->slab_caches_mutex);
+
 	ret = memcg_propagate_kmem(memcg);
 	if (ret)
 		return ret;
-- 
1.7.10.4

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  parent reply	other threads:[~2014-02-26 15:05 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-26 15:05 [PATCH -mm 00/12] kmemcg reparenting Vladimir Davydov
2014-02-26 15:05 ` [PATCH -mm 01/12] memcg: flush cache creation works before memcg cache destruction Vladimir Davydov
2014-02-26 15:05 ` [PATCH -mm 02/12] memcg: fix race in memcg cache destruction path Vladimir Davydov
2014-02-26 15:05 ` [PATCH -mm 03/12] memcg: fix root vs memcg cache destruction race Vladimir Davydov
2014-02-26 15:05 ` Vladimir Davydov [this message]
2014-02-26 15:05 ` [PATCH -mm 05/12] memcg: add pointer from memcg_cache_params to cache Vladimir Davydov
2014-02-26 15:05 ` [PATCH -mm 06/12] memcg: keep all children of each root cache on a list Vladimir Davydov
2014-02-26 15:05 ` [PATCH -mm 07/12] memcg: rework slab charging Vladimir Davydov
2014-02-26 15:05 ` [PATCH -mm 08/12] memcg: do not charge kmalloc_large allocations Vladimir Davydov
2014-02-26 15:05 ` [PATCH -mm 09/12] fork: do not charge thread_info to kmemcg Vladimir Davydov
2014-02-26 15:05 ` [PATCH -mm 10/12] memcg: kill GFP_KMEMCG and stuff Vladimir Davydov
2014-02-26 15:05 ` [PATCH -mm 11/12] memcg: reparent slab on css offline Vladimir Davydov
2014-02-26 15:05 ` [PATCH -mm 12/12] slub: make sure all memcg caches have unique names on sysfs Vladimir Davydov
2014-03-04 14:56 ` [PATCH -mm 00/12] kmemcg reparenting Vladimir Davydov
2014-03-04 15:21   ` Michal Hocko
2014-03-05  5:54     ` Vladimir Davydov

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