linux-kernel - Re: [2/2] vmallocinfo: Add caller information

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Message-ID: <20080321184526.GB6571@elte.hu>
Date:	Fri, 21 Mar 2008 19:45:27 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Christoph Lameter <clameter@....com>
Cc:	akpm@...ux-foundation.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [2/2] vmallocinfo: Add caller information


* Christoph Lameter <clameter@....com> wrote:

> On Fri, 21 Mar 2008, Ingo Molnar wrote:
> 
> > then make STACKTRACE available generally via the patch below.
> 
> How do I figure out which nesting level to display if we'd do this?

the best i found for lockdep was to include a fair number of them, and 
to skip the top 3. struct vm_area that vmalloc uses isnt space-critical, 
so 4-8 entries with a 3 skip would be quite ok. (but can be more than 
that as well)

	Ingo
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