linux-kernel - Re: [RFC/PATCH] SLQB: Mark the allocator as broken PowerPC and S390

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Date:	Thu, 17 Sep 2009 14:43:38 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Nick Piggin <npiggin@...e.de>
Cc:	Sachin Sant <sachinp@...ibm.com>, Mel Gorman <mel@....ul.ie>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	cl@...ux-foundation.org, heiko.carstens@...ibm.com, mingo@...e.hu,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [RFC/PATCH] SLQB: Mark the allocator as broken PowerPC and S390

Hi Nick,

Mel Gorman wrote:
>> >I have access to a ppc machine but not necessarily one with a memoryless
>> >nodes
>> >that can reproduce this problem.
>> >
>> >Assuming Sachin is the reporter and we are in the same company, maybe I
>> >have access to the machine. Sachin, can you mail me privately what this
>> >machine is called and lets see can I get some time on that machine? By
>> >any chance, was this bisected or did it just show up when SLQB became
>> >the default?

On Thu, Sep 17, 2009 at 04:53:41PM +0530, Sachin Sant wrote:
>> Have sent you the access details for the machine. This bug showed
>> up when SLQB was enabled as default in linux-next

On Thu, Sep 17, 2009 at 2:38 PM, Nick Piggin <npiggin@...e.de> wrote:
> Maybe it will be better to hold off merging until this is
> debugged then? If it is merged as a non-default option, then
> I can't see it being a huge issue to merge it a bit after the
> window? It doesn't touch anything else...

Me sending anything but bug fixes to Linus after the merge window is
closed...? That's one scary thought!

But yeah, I can hold the pull request until the issue is resolved. If
Linus doesn't want to merge SLQB for 2.6.32, we'll just try again for
2.6.33.

                        Pekka
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