linux-kernel - Re: [1/6] make stack size configurable (was: Re: [-mm patch] i386: enable 4k stacks by default)

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Message-ID: <20070430181032.GA14739@infradead.org>
Date:	Mon, 30 Apr 2007 19:10:32 +0100
From:	Christoph Hellwig <hch@...radead.org>
To:	William Lee Irwin III <wli@...omorphy.com>
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: [1/6] make stack size configurable (was: Re: [-mm patch] i386: enable 4k stacks by default)

On Mon, Apr 30, 2007 at 10:40:47AM -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.
> 
> Make more stack sizes configurable, adding options for deeper stacks.
> This is largely for differential diagnosis in cases where stack overflows
> are suspected of silently corrupting memory or causing other problems not
> detected immediately.

I don't think we want anything bigger than 8, if you really need that
for debuggin it's easy enough to hack up on demand.

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