Re: [RFC PATCH 0/3] Fix SLQB on memoryless configurations V2

Mel Gorman
2009-09-21T17:46:54Z

On Mon, Sep 21, 2009 at 05:10:23PM +0100, Mel Gorman wrote:
> Currently SLQB is not allowed to be configured on PPC and S390 machines as
> CPUs can belong to memoryless nodes. SLQB does not deal with this very well
> and crashes reliably.
>
> These patches fix the problem on PPC64 and it appears to be fairly stable.
> At least, basic actions that were previously silently halting the machine
> complete successfully.

I spoke too soon. Stress tests result in application failure, nothing to
dmesg even with the patches applied so it looks like patch 2 is still the
wrong way to fix the OOM-kill storm.

--
Mel Gorman
Part-time Phd Student Linux Technology Center
University of Limerick IBM Dublin Software Lab