linux-kernel - Re: add_to_swap_cache with GFP

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Message-Id: <20090401181236.B1F4.A69D9226@jp.fujitsu.com>
Date:	Wed,  1 Apr 2009 18:13:22 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	kosaki.motohiro@...fujitsu.com, Hugh Dickins <hugh@...itas.com>,
	Minchan Kim <minchan.kim@...il.com>,
	linux-mm <linux-mm@...ck.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>
Subject: Re: add_to_swap_cache with GFP_ATOMIC ?

> IOW, GFP_ATOMIC on add_to_swap() was introduced accidentally. the reason 
> was old add_to_page_cache() didn't have gfp_mask parameter and we didn't
>  have the reason of changing add_to_swap() behavior.
> I think it don't have deeply reason and changing GFP_NOIO don't cause regression.

"accidentally" is wrong word obiously. I mean "non strong intention".


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