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-rw-r--r--mm/memcontrol.c6
-rw-r--r--mm/vmscan.c4
2 files changed, 8 insertions, 2 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index a18e228f140b..848fc6c195d2 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1885,7 +1885,11 @@ enum mem_cgroup_filter_t
mem_cgroup_soft_reclaim_eligible(struct mem_cgroup *memcg,
struct mem_cgroup *root)
{
- struct mem_cgroup *parent = memcg;
+ struct mem_cgroup *parent;
+
+ if (!memcg)
+ memcg = root_mem_cgroup;
+ parent = memcg;
if (res_counter_soft_limit_excess(&memcg->res))
return VISIT;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index f2e35099508b..04dca89c4f34 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -142,7 +142,9 @@ static bool global_reclaim(struct scan_control *sc)
static bool mem_cgroup_should_soft_reclaim(struct scan_control *sc)
{
- return !mem_cgroup_disabled();
+ struct mem_cgroup *root = sc->target_mem_cgroup;
+ return !mem_cgroup_disabled() &&
+ mem_cgroup_soft_reclaim_eligible(root, root) != SKIP_TREE;
}
#else
static bool global_reclaim(struct scan_control *sc)