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Date: Fri, 4 Nov 2005 11:48:18 +0000
From: Al Viro <viro@ftp.linux.org.uk>
To: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org,
       Andreas Herrmann <aherrman@de.ibm.com>
Subject: Re: [PATCH resubmit] do_mount: reduce stack consumption
Message-ID: <20051104114818.GG7992@ftp.linux.org.uk>
References: <20051104105026.GA12476@osiris.boeblingen.de.ibm.com>
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On Fri, Nov 04, 2005 at 11:50:26AM +0100, Heiko Carstens wrote:
> From: Andreas Herrmann <aherrman@de.ibm.com>
> 
> This is a resubmit of Andreas' patch that reduces stackframe usage in
> do_mount. Problem is that without this patch we get a kernel stack
> overflow if we run with 4k stacks (s390 31 bit mode).
> See original stack back trace below and Andreas' patch and analysis
> here:
> http://www.ussg.iu.edu/hypermail/linux/kernel/0410.3/1844.html

NAK.  Rationale: too ugly.