Re: [patch for-3.7] mm, mempolicy: fix printing stack contents innuma_maps

From: Dave Jones
Date: Wed Oct 17 2012 - 15:45:09 EST


On Wed, Oct 17, 2012 at 12:38:55PM -0700, David Rientjes wrote:

> > > Sounds good. Is it possible to verify that policy_cache isn't getting
> > > larger than normal in /proc/slabinfo, i.e. when all processes with a
> > > task mempolicy or shared vma policy have exited, are there still a
> > > significant number of active objects?
> >
> > Killing the fuzzer caused it to drop dramatically.
> >
> Excellent, thanks. This shows that the refcounting is working properly
> and we're not leaking any references as a result of this change causing
> the mempolicies to never be freed. ("numa_policy" turns out to be
> policy_cache in the code, so thanks for checking both of them.)
>
> Could I add your tested-by?

Sure. Here's a fresh one I just baked.

Tested-by: Dave Jones <davej@xxxxxxxxxx>

Dave
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