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Message-ID: <20080428124849.4959c419@infradead.org>
Date: Mon, 28 Apr 2008 12:48:49 -0700
From: Arjan van de Ven <arjan@...radead.org>
To: Christoph Lameter <clameter@....com>
Cc: Ingo Molnar <mingo@...e.hu>, akpm@...ux-foundation.org,
linux-mm@...ck.org, linux-kernel@...r.kernel.org,
Linus Torvalds <torvalds@...ux-foundation.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [2/2] vmallocinfo: Add caller information
On Tue, 29 Apr 2008 10:08:29 -0700 (PDT)
Christoph Lameter <clameter@....com> wrote:
> On Tue, 29 Apr 2008, Ingo Molnar wrote:
>
> > i pointed out how it should be done _much cleaner_ (and much
> > smaller - only a single patch needed) via stack-trace, without
> > changing a dozen architectures, and even gave a patch to make it
> > all easier for you:
> >
> > http://lkml.org/lkml/2008/3/19/568
> > http://lkml.org/lkml/2008/3/21/88
> >
> > in fact, a stacktrace printout is much more informative as well to
> > users, than a punny __builtin_return_address(0)!
>
> Sorry lost track of this issue. Adding stracktrace support is not a
> trivial thing and will change the basic handling of vmallocinfo.
>
> Not sure if stacktrace support can be enabled without a penalty on
> various platforms. Doesnt this require stackframes to be formatted in
> a certain way?
it doesn't.
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