Re: OOM-killer and strange RSS value in 3.9-rc7

Michal Hocko
2013-04-19T16:43:17Z

[Do not drop people from the CC please]

On Fri 19-04-13 10:33:45, Han Pingtian wrote:
> On Thu, Apr 18, 2013 at 10:55:14AM -0700, Michal Hocko wrote:
[...]
> > What is the kernel that you are using and what config?
> >
> We are testing a alpha version of a enterprise linux which using a 3.7
> series kernel. On this 3.7 kernel we encountered the oom killer problem. So
> we decide to see if the problem can be reproduced on 3.9-rc7. We
> configured 3.9-rc7 by copying the enterprise linux's config file to
> .config and then run 'make localmodconfig' and pressed enter to all the
> questions. Then the oom problem is reproduced on the 3.9-rc7.
>
> But we also used the same method to config 3.9-rc7 on another company's
> enterprise linux yesterday and found that the problem cannot be
> reproduced there. So maybe the leak is caused by some userspace
> applications?

No application should cause in-kernel mem leak. What is the difference
in the two configs?
--
Michal Hocko
SUSE Labs