linux-kernel - Re: [RFC][PATCH] Check write to slab memory which freed already using mudflap

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Message-ID: <20090710093825.GJ14666@wotan.suse.de>
Date:	Fri, 10 Jul 2009 11:38:25 +0200
From:	Nick Piggin <npiggin@...e.de>
To:	David Rientjes <rientjes@...gle.com>
Cc:	Pekka Enberg <penberg@...helsinki.fi>, Ingo Molnar <mingo@...e.hu>,
	Janboe Ye <yuan-bo.ye@...orola.com>,
	linux-kernel@...r.kernel.org, vegard.nossum@...il.com,
	graydon@...hat.com, fche@...hat.com, cl@...ux-foundation.org
Subject: Re: [RFC][PATCH] Check write to slab memory which freed already using mudflap

On Fri, Jul 10, 2009 at 02:31:43AM -0700, David Rientjes wrote:
> On Fri, 10 Jul 2009, Pekka Enberg wrote:
> 
> > > I'm not sure what the status of slqb is, although I would have expected it 
> > > to have been pushed for inclusion in 2.6.31 as a slab allocator 
> > > alternative.  Nick, any forecast for inclusion?
> > 
> > 2.6.32 most likely. Nick has fixed a bunch of problems but there's still
> > one ppc boot time bug that's turning out to be hard to find.
> > 
> 
> Ah, ok, there's still outstanding bugs.  I was curious as to why it wasn't 
> merged as a non-default option that would have perhaps attracted more 
> attention to it.

Don't know whether it should go in as non-default or not. The plan
is to kind of kick up a stink and make people care about the slab
issue again rather than quietly add more slab allocators to the
tree...

Perhaps making it non-default for one release would be a good idea,
I don't know.

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