linux-kernel - Re: [Patch 1/9] fs/exec.c: export free_arg

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Message-ID: <20080512035957.GF2572@hacking>
Date:	Mon, 12 May 2008 11:59:57 +0800
From:	WANG Cong <xiyou.wangcong@...il.com>
To:	Al Viro <viro@...IV.linux.org.uk>
Cc:	WANG Cong <xiyou.wangcong@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>, WANG Cong <wangcong@...ux.org>
Subject: Re: [Patch 1/9] fs/exec.c: export free_arg_pages

On Sat, May 10, 2008 at 08:12:51PM +0100, Al Viro wrote:
>On Thu, May 08, 2008 at 09:52:26PM +0800, WANG Cong wrote:
>> free_arg_pages() is used to clean the pages allocated by copy_strings_kenrel().
>> Since copy_strings_kernel() is exported, so should be free_arg_pages().
>
>Not really.  free_arg_pages() cleans them all at once; copy_strings_kernel()
>adds to pile.  free_arg_pages() is called once for _all_ of them.  And that
>happens in fs/exec.c, so it doesn't need to be exported.

Yes, thanks.
I already saw your patch, looks better than mine. ;-)

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