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mm: memcontrol: export root_mem_cgroup

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A later patch will need this symbol in files other than memcontrol.c, so
export it now and replace mem_cgroup_root_css at the same time.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Vladimir Davydov <vdavydov@virtuozzo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Johannes Weiner
2016-01-14 15:20:56 -08:00
committed by Linus Torvalds
parent 036404183e
commit 7d828602e5
3 changed files with 5 additions and 5 deletions
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3
include/linux/memcontrol.h
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@@ -265,7 +265,8 @@ struct mem_cgroup {
struct mem_cgroup_per_node *nodeinfo[0];
/* WARNING: nodeinfo must be the last member here */
};
extern struct cgroup_subsys_state *mem_cgroup_root_css;
extern struct mem_cgroup *root_mem_cgroup;
/**
* mem_cgroup_events - count memory events against a cgroup