From: Mel Gorman <mel@csn.ul.ie>
To: Nick Piggin <npiggin@suse.de>,
Pekka Enberg <penberg@cs.helsinki.fi>,
Christoph Lameter <cl@linux-foundation.org>
Cc: heiko.carstens@de.ibm.com, sachinp@in.ibm.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Tejun Heo <tj@kernel.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH 0/3] Fix SLQB on memoryless configurations V3
Date: Tue, 22 Sep 2009 14:21:27 +0100 [thread overview]
Message-ID: <20090922132126.GC25965@csn.ul.ie> (raw)
In-Reply-To: <1253624054-10882-1-git-send-email-mel@csn.ul.ie>
On Tue, Sep 22, 2009 at 01:54:11PM +0100, Mel Gorman wrote:
> Changelog since V2
> o Turned out that allocating per-cpu areas for node ids on ppc64 just
> wasn't stable. This series statically declares the per-node data. This
> wastes memory but it appears to work.
>
> 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.
>
GACK. Sorry about the 1/4, 2/4, 3/4 problem. There are only three
patches in this set. I dropped the last patch which was related to the
SLQB corruption problem because it didn't appear to help and didn't fix
up the number. Sorry.
--
Mel Gorman
Part-time Phd Student Linux Technology Center
University of Limerick IBM Dublin Software Lab
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prev parent reply other threads:[~2009-09-22 13:21 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-22 12:54 Mel Gorman
2009-09-22 12:54 ` [PATCH 1/4] slqb: Do not use DEFINE_PER_CPU for per-node data Mel Gorman
2009-09-22 18:55 ` Pekka Enberg
2009-09-22 12:54 ` [PATCH 2/4] slqb: Record what node is local to a kmem_cache_cpu Mel Gorman
2009-09-22 13:38 ` Pekka Enberg
2009-09-22 13:54 ` Mel Gorman
2009-09-22 18:54 ` Pekka Enberg
2009-09-22 18:56 ` Mel Gorman
2009-09-30 14:41 ` Mel Gorman
2009-09-30 15:06 ` Christoph Lameter
2009-09-30 22:05 ` Mel Gorman
2009-09-30 23:45 ` Christoph Lameter
2009-10-01 10:40 ` Mel Gorman
2009-10-01 14:32 ` Christoph Lameter
2009-10-01 15:03 ` Mel Gorman
2009-10-01 15:03 ` Christoph Lameter
2009-10-01 15:16 ` Mel Gorman
2009-10-04 12:06 ` Pekka Enberg
2009-10-05 9:49 ` Mel Gorman
2009-09-22 12:54 ` [PATCH 3/4] slqb: Allow SLQB to be used on PPC and S390 Mel Gorman
2009-09-22 13:21 ` Mel Gorman [this message]
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