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SubjectRe: [PATCH] mm/memcg: swappiness should between 0 and 100
On Fri, Jul 06, 2012 at 01:04:30PM +0800, Gavin Shan wrote:
>On Fri, Jul 06, 2012 at 01:00:13PM +0800, Gavin Shan wrote:
>>On Fri, Jul 06, 2012 at 12:51:52PM +0800, Wanpeng Li wrote:
>>>From: Wanpeng Li <liwp@linux.vnet.ibm.com>
>>>
>>>Signed-off-by: Wanpeng Li <liwp.linux@gmail.com>
>>>---
>>> 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,
>>
>>It seems that we don't have the function in mainline.
>>
>>shangw@shangw:~/sandbox/linux/mm$ grep mem_cgroup_swappiness_write -r .
>>shangw@shangw:~/sandbox/linux/mm$
>>
>
>Please ignore that cause my git tree has some problems and everything
>in linux/mm has been cleared :-)

No problem. :-)

Best Regards,
Wanpeng Li

>
>Thanks,
>Gavin
>
>>Thanks,
>>Gavin
>>
>>> struct mem_cgroup *memcg = mem_cgroup_from_cont(cgrp);
>>> struct mem_cgroup *parent;
>>>
>>>- if (val > 100)
>>>+ if (val > 100 || val < 0)
>>> return -EINVAL;
>>>
>>> if (cgrp->parent == NULL)
>>>--
>>>1.7.5.4
>>>
>>>--
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>>>
>>
>>--
>>To unsubscribe, send a message with 'unsubscribe linux-mm' in
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>>


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