linux-kernel - Re: [ltt-dev] [PATCH] Fix dirty page accounting in redirty_page_for

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Message-ID: <alpine.DEB.1.10.0905011640480.16255@qirst.com>
Date:	Fri, 1 May 2009 16:42:12 -0400 (EDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Mathieu Desnoyers <compudj@...stal.dyndns.org>
cc:	Nick Piggin <nickpiggin@...oo.com.au>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Yuriy Lalym <ylalym@...il.com>, ltt-dev@...ts.casi.polymtl.ca,
	Tejun Heo <tj@...nel.org>, Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [ltt-dev] [PATCH] Fix dirty page accounting in
 redirty_page_for_writepage()

On Fri, 1 May 2009, Mathieu Desnoyers wrote:

> Then do you have a better idea on how to deal with
> __inc_zone_state/inc_zone_state without duplicating the code and without
> adding useless local_irq_save/restore on x86 ?

We are already using __inc_zone_state to avoid local_irq_save/restore.

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