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Re: slub: Do not use 192 byte sized cache if minimum alignment is 128 byte
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From:
Yoichi Yuasa <yoichi_yuasa@...>
To: Pekka Enberg <penberg@...>
Cc: <yoichi_yuasa@...>, Christoph Lameter <cl@...>, Matt Mackall <mpm@...>, <linux-kernel@...>
Subject:
Re: slub: Do not use 192 byte sized cache if minimum alignment is 128 byte
Date: Thursday, July 3, 2008 - 8:28 pm
On Thu, 3 Jul 2008 18:37:52 +0300 "Pekka Enberg" <penberg@cs.helsinki.fi> wrote:
quoted text
> On Thu, Jul 3, 2008 at 5:14 PM, Christoph Lameter > <cl@linux-foundation.org> wrote: > > The 192 byte cache is not necessary if we have a basic alignment of 128 > > byte. If it would be used then the 192 would be aligned to the next 128 byte > > boundary which would result in another 256 byte cache. Two 256 kmalloc caches > > cause sysfs to complain about a duplicate entry. > > > > MIPS needs 128 byte aligned kmalloc caches and spits out warnings on boot without > > this patch. > > > > Signed-off-by: Christoph Lameter <cl@linux-foundation.org> > > Looks good to me. Yoichi, did you have the chance to test this?
I've already done. It has no problem. Yoichi --
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Messages in current thread:
slub: Do not use 192 byte sized cache if minimum alignment i...
, Christoph Lameter
, (Thu Jul 3, 10:14 am)
Re: slub: Do not use 192 byte sized cache if minimum alignme...
, Pekka Enberg
, (Thu Jul 3, 11:37 am)
Re: slub: Do not use 192 byte sized cache if minimum alignme...
, Yoichi Yuasa
, (Thu Jul 3, 8:28 pm)
Re: slub: Do not use 192 byte sized cache if minimum alignme...
, Pekka Enberg
, (Fri Jul 4, 3:38 am)
Re: slub: Do not use 192 byte sized cache if minimum alignme...
, Christoph Lameter
, (Thu Jul 3, 12:09 pm)
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