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Date: Mon, 30 Apr 2007 19:11:04 +0100
From: Christoph Hellwig <hch@infradead.org>
To: William Lee Irwin III <wli@holomorphy.com>
Cc: Andi Kleen <andi@firstfloor.org>, Christoph Hellwig <hch@infradead.org>,
       Alan Cox <alan@lxorguk.ukuu.org.uk>, David Chinner <dgc@sgi.com>,
       Zan Lynx <zlynx@acm.org>, Adrian Bunk <bunk@stusta.de>,
       Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [2/6] add config option to vmalloc stacks (was: Re: [-mm patch] i386: enable 4k stacks by default)
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On Mon, Apr 30, 2007 at 10:43:10AM -0700, William Lee Irwin III wrote:
> On Mon, Apr 30, 2007 at 10:38:19AM -0700, William Lee Irwin III wrote:
> > Here's what I did for i386 for someone concerned about blowing the stack.
> 
> Add a config option to vmalloc() task stacks so that stack overflows are
> detected without fail, and with a fatal failure mode at that.

Whee, this sounds like a really helpful although costly debugging option.