linux-kernel - Re: Re. Revised [PATCH 3/3] mm/readahead: Remove the check for ra->ra

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Message-ID: <20110712180955.GA12562@localhost>
Date:	Tue, 12 Jul 2011 11:09:55 -0700
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	Raghavendra D Prabhu <rprabhu@...hang.net>
Cc:	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>
Subject: Re: Re. Revised [PATCH 3/3] mm/readahead: Remove the check for
 ra->ra_pages

>  The check for ra->ra_pages is not required since fs like tmpfs which have
>  ra_pages set to 0 don't use filemap_fault as part of their VMA ops (it uses
>  shmem_fault). Also, page_cache_sync_readahead does its own check for ra_pages.
> 
>  Signed-off-by: Raghavendra D Prabhu <rprabhu@...hang.net>

Acked-by: Wu Fengguang <fengguang.wu@...el.com>

Thank you!
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