linux-kernel - Re: [RFC 0/3] Recursive reclaim (on __PF

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Message-ID: <20070815143422.GA653@one.firstfloor.org>
Date:	Wed, 15 Aug 2007 16:34:22 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Andi Kleen <andi@...stfloor.org>, Nick Piggin <npiggin@...e.de>,
	Christoph Lameter <clameter@....com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	dkegel@...gle.com, David Miller <davem@...emloft.net>,
	Daniel Phillips <phillips@...gle.com>
Subject: Re: [RFC 0/3] Recursive reclaim (on __PF_MEMALLOC)

> That is his second patch-set, and I do worry about the irq latency that
> that will introduce. It very much has the potential to ruin everything
> that cares about interactiveness or latency.

I proposed a way to avoid increasing interrupt latency
in a simple way.

-Andi
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