From: Andrew Morton <akpm@osdl.org>
To: Christoph Lameter <clameter@sgi.com>
Cc: linux-mm@kvack.org, Andy Whitcroft <apw@shadowen.org>,
Dave Hansen <haveblue@us.ibm.com>
Subject: Re: [PATCH] Get rid of zone_table V2
Date: Mon, 18 Sep 2006 23:33:37 -0700 [thread overview]
Message-ID: <20060918233337.ef539a2b.akpm@osdl.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0609182309050.3152@schroedinger.engr.sgi.com>
On Mon, 18 Sep 2006 23:12:31 -0700 (PDT)
Christoph Lameter <clameter@sgi.com> wrote:
> Hmmm... Actually one can get much better code. If I remove the padding
> from struct zone then struct zone shrinks from 0x480 to 0x400 in length
That padding is there to prevent the rather unrelated lru_lock and
list_lock from falling into the same cacheline, which is presumed to be a
bad thing...
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next prev parent reply other threads:[~2006-09-19 6:33 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-18 19:21 Christoph Lameter
2006-09-18 20:28 ` Andrew Morton
2006-09-18 22:51 ` Christoph Lameter
2006-09-18 23:15 ` Andrew Morton
2006-09-18 23:46 ` Christoph Lameter
2006-09-18 23:58 ` Andrew Morton
2006-09-19 0:08 ` Christoph Lameter
2006-09-19 0:14 ` Christoph Lameter
2006-09-19 0:31 ` Andrew Morton
2006-09-19 1:20 ` Christoph Lameter
2006-09-19 6:12 ` Christoph Lameter
2006-09-19 6:33 ` Andrew Morton [this message]
2006-09-19 14:10 ` Christoph Lameter
2006-09-19 15:38 ` Andrew Morton
2006-09-19 15:41 ` Christoph Lameter
2006-09-19 16:23 ` Nick Piggin
2006-09-19 16:45 ` Nick Piggin
2006-09-19 17:50 ` Christoph Lameter
2006-09-19 18:24 ` Andi Kleen
2006-09-19 16:17 ` Nick Piggin
2006-09-24 10:06 ` Andrew Morton
2006-09-24 16:58 ` Christoph Lameter
2006-09-27 9:19 ` Andrew Morton
2006-09-27 9:26 ` Andy Whitcroft
2006-09-27 11:23 ` [PATCH] zone table removal miss merge Andy Whitcroft
2006-09-27 16:19 ` Christoph Lameter
2006-09-27 11:27 ` [PATCH] Get rid of zone_table V2 Andy Whitcroft
2006-09-27 16:24 ` Andrew Morton
2006-09-30 18:47 ` Christoph Lameter
2006-09-30 18:48 ` Christoph Lameter
2006-09-30 20:08 ` Andrew Morton
2006-10-02 15:57 ` Christoph Lameter
2006-10-02 17:10 ` Christoph Lameter
2006-10-04 10:10 ` Andy Whitcroft
2006-10-06 14:45 ` [PATCH] zoneid fix up calculations for ZONEID_PGSHIFT Andy Whitcroft
2006-10-06 17:00 ` Christoph Lameter
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