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-rw-r--r--mm/memcontrol.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 2450d89486d4..71a9774e6ead 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3061,8 +3061,7 @@ void mem_cgroup_uncharge_page(struct page *page)
/* early check. */
if (page_mapped(page))
return;
- if (page->mapping && !PageAnon(page))
- return;
+ VM_BUG_ON(page->mapping && !PageAnon(page));
__mem_cgroup_uncharge_common(page, MEM_CGROUP_CHARGE_TYPE_MAPPED);
}