linux-kernel - Re: [11/14] vcompound: Fallbacks for order 1 stack allocations on IA64 and x86

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Message-ID: <Pine.LNX.4.64.0803251054320.16374@schroedinger.engr.sgi.com>
Date:	Tue, 25 Mar 2008 10:55:06 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Andi Kleen <andi@...stfloor.org>
cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	viro@....linux.org.uk
Subject: Re: [11/14] vcompound: Fallbacks for order 1 stack allocations on
 IA64 and x86

On Tue, 25 Mar 2008, Andi Kleen wrote:

> Maybe sparse could be taught to check for this if it happens
> in a single function? (cc'ing Al who might have some thoughts
> on this). Of course if it happens spread out over multiple
> functions sparse wouldn't help neither. 

We could add debugging code to virt_to_page (or __pa) to catch these uses.

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