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-rw-r--r--mm/memcontrol.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 847a775af225..18dcdac0b158 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2450,6 +2450,7 @@ static int mem_cgroup_resize_max(struct mem_cgroup *memcg,
unsigned long max, bool memsw)
{
bool enlarge = false;
+ bool drained = false;
int ret;
bool limits_invariant;
struct page_counter *counter = memsw ? &memcg->memsw : &memcg->memory;
@@ -2480,6 +2481,12 @@ static int mem_cgroup_resize_max(struct mem_cgroup *memcg,
if (!ret)
break;
+ if (!drained) {
+ drain_all_stock(memcg);
+ drained = true;
+ continue;
+ }
+
if (!try_to_free_mem_cgroup_pages(memcg, 1,
GFP_KERNEL, !memsw)) {
ret = -EBUSY;