linux-kernel - Re: [PATCH] mm: PageLRU can be non-atomic bit operation

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Date:	Tue, 24 Apr 2007 17:12:31 +0900
From:	Hisashi Hifumi <hifumi.hisashi@....ntt.co.jp>
To:	Nick Piggin <nickpiggin@...oo.com.au>
Cc:	Hugh Dickins <hugh@...itas.com>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm: PageLRU can be non-atomic bit operation


At 11:47 07/04/24, Nick Piggin wrote:

 >As Hugh points out, we must have atomic ops here, so changing the generic
 >code to use the __ version is wrong. However if there is a faster way that
 >i386 can perform the atomic variant, then doing so will speed up the generic
 >code without breaking other architectures.
 >

Do you mean writing page-flags.h specific for i386 so improving generic code
and without breaking other architectures ?

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