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authorIngo Molnar <mingo@elte.hu>2008-09-10 08:35:40 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-10 08:35:40 +0200
commit429b022af41108f6942d72547592b1d30e9a51f0 (patch)
tree7d68355529718018cdad1241285816c6f64620b2 /mm/memcontrol.c
parent0cd418ddb1ee88df7d16d5df06cb2da68eceb9e4 (diff)
parentadee14b2e1557d0a8559f29681732d05a89dfc35 (diff)
downloadop-kernel-dev-429b022af41108f6942d72547592b1d30e9a51f0.zip
op-kernel-dev-429b022af41108f6942d72547592b1d30e9a51f0.tar.gz
Merge commit 'v2.6.27-rc6' into core/rcu
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7056c3b..0f1f7a7 100644
--- 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));
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