Message-ID: <3ABF01A5.4D48314E@stud.uni-saarland.de>
Date: Mon, 26 Mar 2001 08:45:25 +0000
From: Studierende der Universitaet des Saarlandes 
	<masp0008@stud.uni-sb.de>
Reply-To: manfred@colorfullife.com
Organization: Studierende Universitaet des Saarlandes
MIME-Version: 1.0
To: mingo@elte.hu
CC: torvalds@transmeta.com, linux-kernel@vger.kernel.org
Subject: Re: [patch] pae-2.4.3-A4
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Sender: linux-kernel-owner@vger.kernel.org

> plus i took to opportunity to reduce the allocation size of PAE-pgds. 
> Their size is only 32 bytes, and we allocated a full page. Now the code 
> kmalloc()s a 32 byte cacheline for the pgd. (there is a hardware 
> constraint on alignment: this cacheline must be at least 16-byte aligned, 
> which is true for the current kmalloc() code.)

No, it isn't ;-)

Just enable slab debugging (it's a kernel option in alan's ac kernels),
and then the kmalloc result is not aligned anymore.

--
	Manfred
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