[PATCH] memcg: correct memcg_hierarchical_free_pages() return type

[Greg Thelen]

memcg_hierarchical_free_pages() returns a page count and thus
should return unsigned long to be consistent with the rest of
mm code.

Signed-off-by: Greg Thelen <gthelen@xxxxxxxxxx>
---
 mm/memcontrol.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index b287afd..35870f9 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1340,7 +1340,7 @@ static long mem_cgroup_local_page_stat(struct mem_cgroup *mem,
  * use_hierarchy is set, then this involves parent mem cgroups to find the
  * cgroup with the smallest free space.
  */
-static unsigned long long
+static unsigned long
 memcg_hierarchical_free_pages(struct mem_cgroup *mem)
 {
 	unsigned long free, min_free;
-- 
1.7.3.1

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