Re: [Bug #14141] order 2 page allocation failures in iwlagn

KOSAKI Motohiro
2009-10-06T01:25:40Z

> On Mon, 5 Oct 2009, Frans Pop wrote:
>
> > And the winner is:
> > 2ff05b2b4eac2e63d345fc731ea151a060247f53 is first bad commit
> > commit 2ff05b2b4eac2e63d345fc731ea151a060247f53
> > Author: David Rientjes <rientjes@google.com>
> > Date: Tue Jun 16 15:32:56 2009 -0700
> >
> > oom: move oom_adj value from task_struct to mm_struct
> >
> > I'm confident that the bisection is good. The test case was very reliable
> > while zooming in on the merge from akpm.
> >
>
> I doubt it for two reasons: (i) this commit was reverted in 0753ba0 since
> 2.6.31-rc7 and is no longer in the kernel, and (ii) these are GFP_ATOMIC
> allocations which would be unaffected by oom killer scores.

I agree. this patch is pretty obvious correct. it was reverted by
one unfortunately regression.

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