On Fri, Jul 06, 2012 at 12:51:52PM +0800, Wanpeng Li wrote:
>From: Wanpeng Li <liwp@xxxxxxxxxxxxxxxxxx>
>
>Signed-off-by: Wanpeng Li <liwp.linux@xxxxxxxxx>
>---
> mm/memcontrol.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
>diff --git a/mm/memcontrol.c b/mm/memcontrol.c
>index 5e4d1ab..69a7d45 100644
>--- a/mm/memcontrol.c
>+++ b/mm/memcontrol.c
>@@ -4176,7 +4176,7 @@ static int mem_cgroup_swappiness_write(struct cgroup *cgrp, struct cftype *cft,
> struct mem_cgroup *memcg = mem_cgroup_from_cont(cgrp);
> struct mem_cgroup *parent;
>
>- if (val > 100)
>+ if (val > 100 || val < 0)
Wanpeng, the "val" was defined as "u64". So how it could be less than 0?
static int mem_cgroup_swappiness_write(struct cgroup *cgrp, struct cftype *cft,
u64 val)
Thanks,
Gavin
> return -EINVAL;
>
> if (cgrp->parent == NULL)
>--
>1.7.5.4
>
>--
>To unsubscribe, send a message with 'unsubscribe linux-mm' in
>the body to majordomo@xxxxxxxxx. For more info on Linux MM,
>see: http://www.linux-mm.org/ .
>Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
>
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@xxxxxxxxx. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>