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

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Date:	Mon, 30 Apr 2007 11:13:15 -0700
From:	William Lee Irwin III <wli@...omorphy.com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Andi Kleen <andi@...stfloor.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:
>> 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.

On Mon, Apr 30, 2007 at 07:10:32PM +0100, Christoph Hellwig wrote:
> 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.

These were instrumentation patches of such a form. The point of all
this was mostly centered around 5/6, which bootmem allocates the
various IRQ stacks as mentioned earlier.


- wli
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