As suggested by akpm, change the manual initialization of our kmem
index to DEFINE_IDA()
Signed-off-by: Glauber Costa <glom...@parallels.com>
CC: Michal Hocko <mho...@suse.cz>
CC: Kamezawa Hiroyuki <kamezawa.hir...@jp.fujitsu.com>
CC: Johannes Weiner <han...@cmpxchg.org>
CC: Andrew Morton <a...@linux-foundation.org>
---
mm/memcontrol.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 6136fec..c0c6adf 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -569,7 +569,7 @@ static void disarm_sock_keys(struct mem_cgroup *memcg)
* memcg_limited_groups_array_size. It will double each time we have to
* increase it.
*/
-static struct ida kmem_limited_groups;
+static DEFINE_IDA(kmem_limited_groups);
int memcg_limited_groups_array_size;
/*
@@ -5686,9 +5686,6 @@ static int memcg_init_kmem(struct mem_cgroup *memcg,
struct cgroup_subsys *ss)
if (ret)
return ret;
- if (mem_cgroup_is_root(memcg))
- ida_init(&kmem_limited_groups);
-
return mem_cgroup_sockets_init(memcg, ss);
};
--
1.7.11.7
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