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Date: Thu, 16 Jul 2009 07:31:00 -0400
From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
To: Michael Ellerman <michael@ellerman.id.au>
Subject: Re: [PATCH] kmemleak: Allow kmemleak to be built on powerpc
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References: <f18967360113efe4354a9ad0d71ead9a0f7579ea.1247707485.git.michael@ellerman.id.au>
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On Thu, Jul 16, 2009 at 05:43:50PM +1000, Michael Ellerman wrote:
>On Thu, 2009-07-16 at 11:25 +1000, Michael Ellerman wrote:
>> Very lightly tested, doesn't crash the kernel.
>> 
>> Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
>> ---
>> 
>> It doesn't look like we actually need to add any support in the
>> arch code - or is there something I'm missing?
>
>Hmm, I think we want to add annotations in lib/lmb.c don't we? That's
>our low-level pre-bootmem allocator.
>
>And we have the same problem with _edata as x86.

I'll point out that the Fedora developers enabled this in the rawhide kernels
for 3 days, and then turned it back off because most of the things found were
false positives.

Might still be worth poking at, but until it gets a bit less buggy itself it
could be a timesink.

josh