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Merge branch 'for-linus' of git://neil.brown.name/md
[firefly-linux-kernel-4.4.55.git]
/
mm
/
memcontrol.c
diff --git
a/mm/memcontrol.c
b/mm/memcontrol.c
index 7056c3bdb47821d791ba7bc6a9355018094ef34e..0f1f7a7374bade23cf0052719a349a97322c5af4 100644
(file)
--- a/
mm/memcontrol.c
+++ b/
mm/memcontrol.c
@@
-796,6
+796,8
@@
int mem_cgroup_shrink_usage(struct mm_struct *mm, gfp_t gfp_mask)
if (mem_cgroup_subsys.disabled)
return 0;
+ if (!mm)
+ return 0;
rcu_read_lock();
mem = mem_cgroup_from_task(rcu_dereference(mm->owner));