linux-kernel - Re: [PATCH v10 Golden] Unified trace buffer

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Message-ID: <alpine.DEB.1.10.0809292000160.8145@gandalf.stny.rr.com>
Date:	Mon, 29 Sep 2008 20:01:11 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Mathieu Desnoyers <compudj@...stal.dyndns.org>
cc:	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	prasad@...ux.vnet.ibm.com,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Frank Ch. Eigler" <fche@...hat.com>,
	David Wilder <dwilder@...ibm.com>, hch@....de,
	Martin Bligh <mbligh@...gle.com>,
	Christoph Hellwig <hch@...radead.org>,
	Masami Hiramatsu <mhiramat@...hat.com>,
	Steven Rostedt <srostedt@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Subject: Re: [PATCH v10 Golden] Unified trace buffer


On Mon, 29 Sep 2008, Mathieu Desnoyers wrote:

> * Steven Rostedt (rostedt@...dmis.org) wrote:
> 
> You should have a look at mm/slob.c free_slob_page(). I think your page
> free will generate a "bad_page" call due to mapping != NULL and mapcount
> != 0. I just ran into this in my own code. :)


Hi Mathieu!

Thanks! I must have been lucky some how not to trigger this :-/

I'll add an update patch for this.

-- Steve

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