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Subject: Re: [GIT PULL v2] Early SLAB fixes for 2.6.31
From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Nick Piggin <npiggin@suse.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
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Date: Mon, 15 Jun 2009 12:10:52 +0300
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On Mon, 2009-06-15 at 08:46 +0200, Nick Piggin wrote:
> On Sat, Jun 13, 2009 at 07:46:03AM +1000, Benjamin Herrenschmidt wrote:
> > 
> > > Adds code to hot code path.
> > 
> > A single mask which should be mostly in the noise...
> 
> Cacheline load. Yes it will be in the noise. Like all other slowdowns
> that get merged ;)

Yes, agreed. Did you see the patch I suggested to move all of this
outside of fastpaths for production configs?