linux-kernel - Re: [PATCH 5/6] UML

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Message-Id: <20070509210738.a06b005a.akpm@linux-foundation.org>
Date:	Wed, 9 May 2007 21:07:38 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Jeff Dike <jdike@...toit.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	uml-devel <user-mode-linux-devel@...ts.sourceforge.net>
Subject: Re: [PATCH 5/6] UML - Monitor stack usage

On Wed, 9 May 2007 16:27:22 -0400 Jeff Dike <jdike@...toit.com> wrote:

> In preparation for reducing stack size, add a machanism to see how
> much of a kernel stack is used.  This fills a new stack with 0x6b on
> allocation and sees where the lowest non-0x6b byte is on process
> exit.  It keeps track of the lowest value and logs values as they get
> lower.

but, but.  We already have CONFIG_DEBUG_STACK_USAGE?
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