Re: 3.4-rc7 numa_policy slab poison.

[Mel Gorman]

On Mon, May 21, 2012 at 04:01:18PM -0400, Dave Jones wrote:
> On Mon, May 21, 2012 at 12:39:19PM -0700, Linus Torvalds wrote:
> 
>  > But there's not a lot of recent stuff. The thing that jumps out is Mel
>  > Gorman's recent commit cc9a6c8776615 ("cpuset: mm: reduce large
>  > amounts of memory barrier related damage v3"), which has a whole new
>  > loop with that scary mpol_cond_put() usage. And there's we had
>  > problems with vma merging..
>  > 
>  > Dave, how recent is this problem? Have you already tried older kernels?
> 
> I tried bisecting, but couldn't find a 'good' kernel.
> I Went back as far as 3.0, before that I kept running into compile failures.
> Newer gcc/binutils really seems to dislike 2.6.x now.
> 

This bug is really old as it triggers as far back as 2.6.32.58. I don't
know why yet.

-- 
Mel Gorman
SUSE Labs
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