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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-06-25 09:52:59 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-06-25 09:52:59 +0100
commitd1e16c1a61d68692dba346f4a841315343b085f4 (patch)
tree249ec07d1489769fe83b4ec507708455cc0c5138 /mm/memcontrol.c
parent1573ee81cb9ef24fa5acee6b7442e215e63ede2f (diff)
parent6b16351acbd415e66ba16bf7d473ece1574cf0bc (diff)
Merge tag 'v3.5-rc4' into for-3.6
Linux 3.5-rc4 contains some bug fixes which overlap with new features.
Diffstat (limited to 'mm/memcontrol.c')
-rw-r--r--mm/memcontrol.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index ac35bccadb7b..f72b5e52451a 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1148,7 +1148,7 @@ bool __mem_cgroup_same_or_subtree(const struct mem_cgroup *root_memcg,
{
if (root_memcg == memcg)
return true;
- if (!root_memcg->use_hierarchy)
+ if (!root_memcg->use_hierarchy || !memcg)
return false;
return css_is_ancestor(&memcg->css, &root_memcg->css);
}
@@ -1234,7 +1234,7 @@ int mem_cgroup_inactive_file_is_low(struct lruvec *lruvec)
/**
* mem_cgroup_margin - calculate chargeable space of a memory cgroup
- * @mem: the memory cgroup
+ * @memcg: the memory cgroup
*
* Returns the maximum amount of memory @mem can be charged with, in
* pages.
@@ -1508,7 +1508,7 @@ static unsigned long mem_cgroup_reclaim(struct mem_cgroup *memcg,
/**
* test_mem_cgroup_node_reclaimable
- * @mem: the target memcg
+ * @memcg: the target memcg
* @nid: the node ID to be checked.
* @noswap : specify true here if the user wants flle only information.
*