Re: [patch 09/10] Remove the SLOB allocator for 2.6.23

From: Pekka J Enberg
Date: Tue Jul 10 2007 - 08:57:37 EST


Hi Matt,

On Tue, 10 Jul 2007, Matt Mackall wrote:
> Using 2.6.22-rc6-mm1 with a 64MB lguest and busybox, I'm seeing the
> following as the best MemFree numbers after several boots each:
>
> SLAB: 54796
> SLOB: 55044
> SLUB: 53944
> SLUB: 54788 (debug turned off)
>
> These numbers bounce around a lot more from boot to boot than I
> remember, so take these numbers with a grain of salt.

To rule out userland, 2.6.22 with 32 MB defconfig UML and busybox [1] on
i386:

SLOB: 26708
SLUB: 27212 (no debug)

Unfortunately UML is broken in 2.6.22-rc6-mm1, so I don't know if SLOB
patches help there.

1. http://uml.nagafix.co.uk/BusyBox-1.5.0/BusyBox-1.5.0-x86-root_fs.bz2

Pekka
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