linux-kernel - Re: [RFC 0/9] Reclaim during GFP

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Date:	Thu, 16 Aug 2007 13:24:17 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Nick Piggin <npiggin@...e.de>
cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, dkegel@...gle.com,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	David Miller <davem@...emloft.net>
Subject: Re: [RFC 0/9] Reclaim during GFP_ATOMIC allocs

On Thu, 16 Aug 2007, Nick Piggin wrote:

> Just to clarify... I can see how recursive reclaim can prevent memory getting
> eaten up by reclaim (which thus causes allocations from interrupt handlers to
> fail)...
> 
> But this patchset I don't see will do anything to prevent reclaim deadlocks,
> right? (because if there is reclaimable memory at hand, then kswapd should
> eventually reclaim it).

What deadlocks are you thinking about? Reclaim can be run concurrently 
right now.


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