linux-kernel - Re: [PATCH] x86-32: remove CONFIG

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Message-ID: <4C18AB9F.2020305@redhat.com>
Date:	Wed, 16 Jun 2010 12:46:55 +0200
From:	Milan Broz <mbroz@...hat.com>
To:	Kyle McMartin <kyle@...artin.ca>
CC:	Christoph Hellwig <hch@....de>,
	Alan Cox <alan@...rguk.ukuu.org.uk>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86-32: remove CONFIG_4KSTACKS

On 06/16/2010 12:23 PM, Kyle McMartin wrote:
> On Wed, Jun 16, 2010 at 12:20:51PM +0200, Christoph Hellwig wrote:
>>> Perhaps XFS should select 8K stack instead ?
>>
>> or rather !CONFIG_INSANE.  I don't care too much.  No one sane should
>> ever enable it anymore, but Ingo asked me to send a patch to remove it.
>>
> 
> Alan--
> 
> It's not just XFS, we were regularly seeing blown stacks on Fedora with
> ext3/4 and encrypted disks using dm-crypt...

Can you point me to report where 4k stacks is not enough for plain dm-crypt?
IIRC it was always XFS (maybe ext4) on top of it what caused problem...

(Anyway, removing 4k stacks is probably good thing:-)

Milan
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