[PATCH 1/6] memcg: replace unsigned long by u64 to avoid overflow
From: Wanpeng Li <hidden>
Date: 2012-06-23 06:15:54
Also in:
linux-mm, lkml
Subsystem:
control group - memory resource controller (memcg), memory management, the rest · Maintainers:
Johannes Weiner, Michal Hocko, Roman Gushchin, Shakeel Butt, Andrew Morton, Linus Torvalds
From: Wanpeng Li <redacted> Since the return value variable in mem_cgroup_zone_nr_lru_pages and mem_cgroup_node_nr_lru_pages functions are u64, so replace the return value of funtions by u64 to avoid overflow. Signed-off-by: Wanpeng Li <redacted> --- mm/memcontrol.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index a2677e0..724bd02 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c@@ -776,8 +776,7 @@ mem_cgroup_zone_nr_lru_pages(struct mem_cgroup *memcg, int nid, int zid, return ret; } -static unsigned long -mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg, +static u64 mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg, int nid, unsigned int lru_mask) { u64 total = 0;
@@ -790,7 +789,7 @@ mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg, return total; } -static unsigned long mem_cgroup_nr_lru_pages(struct mem_cgroup *memcg, +static u64 mem_cgroup_nr_lru_pages(struct mem_cgroup *memcg, unsigned int lru_mask) { int nid;
--
1.7.9.5