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Date: Tue, 8 Apr 2008 13:45:57 -0700 (PDT)
From: Christoph Lameter <clameter@sgi.com>
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To: Pekka J Enberg <penberg@cs.helsinki.fi>
cc: Linus Torvalds <torvalds@linux-foundation.org>,
       Hugh Dickins <hugh@veritas.com>,
       Peter Zijlstra <a.p.zijlstra@chello.nl>,
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       Andrew Morton <akpm@linux-foundation.org>,
       FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
       Jens Axboe <jens.axboe@oracle.com>, "Rafael J. Wysocki" <rjw@sisk.pl>,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH] scsi: fix sense_slab/bio swapping livelock
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On Tue, 8 Apr 2008, Pekka J Enberg wrote:

> So something like this fugly patch on top of the SLUB variable order 
> patches that let the allocator fall-back to smaller page orders. Survives 
> OOM in my testing and the box seems to be bit more responsive even under X 
> with this.

Hmmmm... Peter has the most experience with these issues. Maybe the best 
would be to have this sort of logic in a more general way in the page 
allocator? Similar issues surely exist with the page allocator and a fix 
there would fix it for all users.