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authorJohannes Weiner <hannes@cmpxchg.org>2016-01-14 23:20:56 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2016-01-15 00:00:49 (GMT)
commit7d828602e5ef3297a69392a2d31264e4ab9c8bb7 (patch)
tree4d6d6d82b2c68321175e4e769dadb146c72ef882 /mm/backing-dev.c
parent036404183eb3ebff93dea7b572fc718e9d652c7f (diff)
downloadlinux-7d828602e5ef3297a69392a2d31264e4ab9c8bb7.tar.xz
mm: memcontrol: export root_mem_cgroup
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>
Diffstat (limited to 'mm/backing-dev.c')
-rw-r--r--mm/backing-dev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 7340353..cc5d29d 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -672,7 +672,7 @@ static int cgwb_bdi_init(struct backing_dev_info *bdi)
ret = wb_init(&bdi->wb, bdi, 1, GFP_KERNEL);
if (!ret) {
- bdi->wb.memcg_css = mem_cgroup_root_css;
+ bdi->wb.memcg_css = &root_mem_cgroup->css;
bdi->wb.blkcg_css = blkcg_root_css;
}
return ret;