linux-kernel - Re: [PATCH][BUG 10227] readahead ret value fix

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Date:	Fri, 14 Mar 2008 19:42:15 +0800
From:	Fengguang Wu <wfg@...l.ustc.edu.cn>
To:	Dave Young <hidave.darkstar@...il.com>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	jack@...e.cz, chris@...uxinfotag.de
Subject: Re: [PATCH][BUG 10227] readahead ret value fix

On Fri, Mar 14, 2008 at 06:49:06PM +0800, Dave Young wrote:
> If the page_offset > end_index, the return value should be updated to 0,
> avoiding the redundant read_pages

No, we don't need to fix it, hehe.
It's really trivial overhead.

The principle is to not add dispensable code :-)

Thank you,
Fengguang

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