When page are poisoned, they should be uncharged from the root memory
cgroup.
Signed-off-by: Laurent Dufour <ldufour@xxxxxxxxxxxxxxxxxx>
---
mm/memory-failure.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 27f7210e7fab..00bd39d3d4cb 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -530,6 +530,7 @@ static const char * const action_page_types[] = {
static int delete_from_lru_cache(struct page *p)
{
if (!isolate_lru_page(p)) {
+ memcg_kmem_uncharge(p, 0);
/*
* Clear sensible page flags, so that the buddy system won't
* complain when the page is unpoison-and-freed.
--
2.7.4
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