From 6acc8b02517d7063b25490b26215834bd2f363c8 Mon Sep 17 00:00:00 2001
From: Michal Hocko <mhocko@suse.cz>
Date: Fri, 22 Feb 2013 16:34:45 -0800
Subject: [PATCH] memcg: clean up swap accounting initialization code

Memcg swap accounting is currently enabled by enable_swap_cgroup when
the root cgroup is created.  mem_cgroup_init acts as a memcg subsystem
initializer which sounds like a much better place for enable_swap_cgroup
as well.  We already register memsw files from there so it makes a lot
of sense to merge those two into a single enable_swap_cgroup function.

This patch doesn't introduce any semantic changes.

Signed-off-by: Michal Hocko <mhocko@suse.cz>
Cc: Zhouping Liu <zliu@redhat.com>
Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Li Zefan <lizefan@huawei.com>
Cc: CAI Qian <caiqian@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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