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memcg: hierarchy avoid unnecessary reclaim
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
mm
/
memcontrol.c
diff --git
a/mm/memcontrol.c
b/mm/memcontrol.c
index
964a700
..
9b4993e
100644
(file)
--- a/
mm/memcontrol.c
+++ b/
mm/memcontrol.c
@@
-606,6
+606,8
@@
static int mem_cgroup_hierarchical_reclaim(struct mem_cgroup *root_mem,
ret = try_to_free_mem_cgroup_pages(root_mem, gfp_mask, noswap);
if (mem_cgroup_check_under_limit(root_mem))
return 0;
+ if (!root_mem->use_hierarchy)
+ return ret;
next_mem = mem_cgroup_get_first_node(root_mem);