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

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Message-ID: <84144f020909211105p4772920at1a20d286710d19b8@mail.gmail.com>
Date:	Mon, 21 Sep 2009 21:05:01 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Christoph Lameter <cl@...ux-foundation.org>
Cc:	Mel Gorman <mel@....ul.ie>, Nick Piggin <npiggin@...e.de>,
	heiko.carstens@...ibm.com, sachinp@...ibm.com,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Tejun Heo <tj@...nel.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: [RFC PATCH 0/3] Fix SLQB on memoryless configurations V2

On Mon, Sep 21, 2009 at 8:54 PM, Christoph Lameter
<cl@...ux-foundation.org> wrote:
> Lets just keep SLQB back until the basic issues with memoryless nodes are
> resolved. There does not seem to be an easy way to deal with this. Some
> thought needs to go into how memoryless node handling relates to per cpu
> lists and locking. List handling issues need to be addressed before SLQB.
> can work reliably. The same issues can surface on x86 platforms with weird
> NUMA memory setups.
>
> Or just allow SLQB for !NUMA configurations and merge it now.

I'm holding on to it until the issues are resolved.
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