Re: [PATCH 0/3] Reduce GFP_ATOMIC allocation failures, partial fix V3

Karol Lewandowski
2009-10-28T13:02:24Z

On Tue, Oct 27, 2009 at 01:40:30PM +0000, Mel Gorman wrote:
> The following bug becomes very difficult to reproduce with these patches;
>
> [Bug #14265] ifconfig: page allocation failure. order:5, mode:0x8020 w/ e100

Minor clarification -- bug becomes difficult to reproduce _quickly_.

I've always saw this bug after many suspend-resume cycles (interlaved
with "real work"). Since testing one kernel in normal usage scenario
would take many days I've tried to immitate "real work" by lots of
memory intensive/fragmenting processes.

Hovewer, this bug shows itself (sooner or later) in every kernel
except 2.6.30 (or earlier).

Thanks.