linux-kernel - Re: [RFC/PATCH 1/3] SLAB: Add PageSlab checking to ksize()

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Date:	Thu, 22 May 2008 07:21:48 +0300
From:	Pekka Enberg <penberg@...helsinki.fi>
To:	Christoph Lameter <clameter@....com>
CC:	Paul Mundt <lethal@...ux-sh.org>, linux-kernel@...r.kernel.org,
	mpm@...enic.com, dhowells@...hat.com
Subject: Re: [RFC/PATCH 1/3] SLAB: Add PageSlab checking to ksize()

Christoph Lameter wrote:
>> That's probably due to the fact that we use PageSlab for all pages with SLUB
>> and for bigblock pages in SLOB with this patch. Christoph, Matt, any
>> suggestions how to fix the PageSlab check in nommu btw?
> 
> I already posted a patch and commented numerous times. What else needs 
> to be said? SLUB only uses PageSlab for kmalloc <=4kb.

(I missed your patch, btw.)

For SLOB, we will never use ksize() as it doesn't set PageSlab. Is that 
not a problem?

		Pekka
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