linux-kernel - Re: [patch 2/3] ramfs-nommu: use generic lru cache

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Date:	Mon, 23 Mar 2009 10:40:42 +0000
From:	David Howells <dhowells@...hat.com>
To:	Johannes Weiner <hannes@...xchg.org>
Cc:	dhowells@...hat.com, Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Nick Piggin <npiggin@...e.de>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Rik van Riel <riel@...hat.com>,
	Peter Zijlstra <peterz@...radead.com>,
	MinChan Kim <minchan.kim@...il.com>,
	Lee Schermerhorn <Lee.Schermerhorn@...com>
Subject: Re: [patch 2/3] ramfs-nommu: use generic lru cache

Johannes Weiner <hannes@...xchg.org> wrote:

> Instead of open-coding the lru-list-add pagevec batching when
> expanding a file mapping from zero, defer to the appropriate page
> cache function that also takes care of adding the page to the lru
> list.
> 
> This is cleaner, saves code and reduces the stack footprint by 16
> words worth of pagevec.

Acked-by: David Howells <dhowells@...hat.com>
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