Messages in this thread Patch in this message | | | From | Wanpeng Li <> | Subject | [PATCH 1/6] memcg: replace unsigned long by u64 to avoid overflow | Date | Sat, 23 Jun 2012 14:15:34 +0800 |
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From: Wanpeng Li <liwp@linux.vnet.ibm.com>
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 <liwp.linux@gmail.com> --- 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
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