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Diffstat (limited to 'include/linux/memcontrol.h')
-rw-r--r--include/linux/memcontrol.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index bf7ae01fc93b..f94efd2f6c27 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -144,6 +144,8 @@ static inline bool mem_cgroup_disabled(void)
void __mem_cgroup_begin_update_page_stat(struct page *page, bool *locked,
unsigned long *flags);
+extern atomic_t memcg_moving;
+
static inline void mem_cgroup_begin_update_page_stat(struct page *page,
bool *locked, unsigned long *flags)
{
@@ -151,7 +153,8 @@ static inline void mem_cgroup_begin_update_page_stat(struct page *page,
return;
rcu_read_lock();
*locked = false;
- return __mem_cgroup_begin_update_page_stat(page, locked, flags);
+ if (atomic_read(&memcg_moving))
+ __mem_cgroup_begin_update_page_stat(page, locked, flags);
}
void __mem_cgroup_end_update_page_stat(struct page *page,