Subject: Re: 2.6.24-rc8-mm1: powerpc oopses
From: Matt Mackall <mpm@selenic.com>
To: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Cc: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org,
       paulus@samba.org, linuxppc-dev@ozlabs.org
In-Reply-To: <200801181823.07718.m.kozlowski@tuxland.pl>
References: <20080117023514.9df393cf.akpm@linux-foundation.org>
	 <20080117162913.0323c517.akpm@linux-foundation.org>
	 <1200617237.3839.32.camel@cinder.waste.org>
	 <200801181823.07718.m.kozlowski@tuxland.pl>
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Date: Fri, 18 Jan 2008 11:33:12 -0600
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On Fri, 2008-01-18 at 18:23 +0100, Mariusz Kozlowski wrote:
> Hello,
> 
> > > Do we need `offset' at all?
> > 
> > Looks like no.
> > 
> > I wonder if there's a good argument for adding a pte_offset_val() which
> > would let us do:
> > 
> > pteval = pte_offset_val(pmd, addr);
> > 
> > and shrink the map/unmap window and overhead here and possibly
> > elsewhere?
> > 
> > Anyway, updated but still untested patch now with revealing comment:
> 
> I patched the ppc32 kernel with this and run tests on /proc.
> This patch helps. No more BUGs and oopses :)

Thanks, Andrew's already queued it up.

-- 
Mathematics is the supreme nostalgia of our time.

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