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memcg: cleanup static keys decrement

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Move memcg_socket_limit_enabled decrement to tcp_destroy_cgroup (called
from memcg_destroy_kmem -> mem_cgroup_sockets_destroy) and zap a bunch of
wrapper functions.

Although this patch moves static keys decrement from __mem_cgroup_free to
mem_cgroup_css_free, it does not introduce any functional changes, because
the keys are incremented on setting the limit (tcp or kmem), which can
only happen after successful mem_cgroup_css_online.

Signed-off-by: Vladimir Davydov <vdavydov@parallels.com>
Cc: Glauber Costa <glommer@parallels.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujtisu.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Vladimir Davydov
2015-02-12 14:59:56 -08:00
committed by Linus Torvalds
parent 932ff6bbbd
commit f48b80a5e2
3 changed files with 9 additions and 38 deletions
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5
include/net/sock.h
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@@ -1077,11 +1077,6 @@ static inline bool memcg_proto_active(struct cg_proto *cg_proto)
return test_bit(MEMCG_SOCK_ACTIVE, &cg_proto->flags);
}
static inline bool memcg_proto_activated(struct cg_proto *cg_proto)
{
return test_bit(MEMCG_SOCK_ACTIVATED, &cg_proto->flags);
}
#ifdef SOCK_REFCNT_DEBUG
static inline void sk_refcnt_debug_inc(struct sock *sk)
{