linux-kernel - Re: [-mm patch] i386: enable 4k stacks by default

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Message-ID: <20070430183529.GM19966@holomorphy.com>
Date:	Mon, 30 Apr 2007 11:35:29 -0700
From:	William Lee Irwin III <wli@...omorphy.com>
To:	Jan Engelhardt <jengelh@...ux01.gwdg.de>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Christoph Hellwig <hch@...radead.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	David Chinner <dgc@....com>, Zan Lynx <zlynx@....org>,
	Adrian Bunk <bunk@...sta.de>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [-mm patch] i386: enable 4k stacks by default

On Apr 30 2007 10:38, William Lee Irwin III wrote:
>> Here's what I did for i386 for someone concerned about blowing the stack.

On Mon, Apr 30, 2007 at 08:22:43PM +0200, Jan Engelhardt wrote:
> If we really need it, then maybe a variable like CONFIG_LOG_BUF_SHIFT
> could be hacked up, resulting in CONFIG_THREAD_SIZE_SHIFT, defaulting to 3
> (=8KB).

I wouldn't bother with that. This is all just a sample of apparently
working code that bootmem allocates IRQ stacks.

It's a set of debug patches so there's no intention of any of this
being merged as-posted.


-- wli
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