linux-kernel - Re: Forward port of latest RT patch (2.6.21.5-rt20) to 2.6.22 available

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Message-ID: <46971ADC.3030700@bigpond.net.au>
Date:	Fri, 13 Jul 2007 16:25:32 +1000
From:	Peter Williams <pwil3058@...pond.net.au>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Gregory Haskins <ghaskins@...ell.com>, jim.houston@...r.com,
	joe.korty@...r.com, rostedt@...dmis.org, tglx@...utronix.de,
	dwalker@...sta.com, David Bahi <DBahi@...ell.com>,
	Moiz Kohari <MKohari@...ell.com>,
	Sven Dietrich <SDietrich@...ell.com>, dsaxena@...xity.net,
	williams@...hat.com, abogani@...ware.it,
	linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org
Subject: Re: Forward port of latest RT patch (2.6.21.5-rt20) to 2.6.22	available

Ingo Molnar wrote:
> * Gregory Haskins <ghaskins@...ell.com> wrote:
> 
>> On Thu, 2007-07-12 at 14:07 +0200, Ingo Molnar wrote:
>>> * Gregory Haskins <ghaskins@...ell.com> wrote:
>>>
>>>> Hi Ingo, Thomas, and the greater linux-rt community,
>>>>   
>>>> 	I just wanted to let you guys know that our team has a port of 
>>>> the 21.5-rt20 patch for the 2.6.22 kernel available. [...]
>>> great! We had the upstream -rt port to .22 in the works too, it was just 
>>> held up by the hpet breakage - which Thomas managed to fix earlier 
>>> today. I've released the 2.6.22.1-rt1 patch to the usual place:
>>>
>>>     http://redhat.com/~mingo/realtime-preempt/
>> Thats awesome, Ingo!  Thanks!  Could you publish a broken out version 
>> as well?  We found it extremely valuable to be able to bisect this 
>> beast while working on the 21-22 port.
> 
> we are working on something in this area :) Stay tuned ...

I've just been reviewing these patches and have spotted an error in the
file mm/slob.c at lines 500-501 whereby a non existent variable "c" is
referenced.  The attached patch is a proposed fix to the problem.

-- 
Peter Williams                                   pwil3058@...pond.net.au

"Learning, n. The kind of ignorance distinguishing the studious."
 -- Ambrose Bierce

View attachment "fix-slob-error.patch" of type "text/x-patch" (1347 bytes)