linux-kernel - Re: [patch] SLQB slab allocator (try 2)

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Date:	Mon, 26 Jan 2009 10:48:26 +0200
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Nick Piggin <npiggin@...e.de>
Cc:	Linux Memory Management List <linux-mm@...ck.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Lin Ming <ming.m.lin@...el.com>,
	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>,
	Christoph Lameter <cl@...ux-foundation.org>
Subject: Re: [patch] SLQB slab allocator (try 2)

Hi Nick,

On Fri, 2009-01-23 at 16:46 +0100, Nick Piggin wrote:
> Since last time, fixed bugs pointed out by Hugh and Andi, cleaned up the
> code suggested by Ingo (haven't yet incorporated Ingo's last patch).
> 
> Should have fixed the crash reported by Yanmin (I was able to reproduce it
> on an ia64 system and fix it).
> 
> Significantly reduced static footprint of init arrays, thanks to Andi's
> suggestion.
> 
> Please consider for trial merge for linux-next.

I merged a the one you resent privately as this one didn't apply at all.
The code is in topic/slqb/core branch of slab.git and should appear in
linux-next tomorrow.

Testing and especially performance testing is welcome. If any of the HPC
people are reading this, please do give SLQB a good beating as Nick's
plan is to replace both, SLAB and SLUB, with it in the long run. As
Christoph has expressed concerns over latency issues of SLQB, I suppose
it would be interesting to hear if it makes any difference to the
real-time folks.

		Pekka

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