[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1221675371.5030.3.camel@marge.simson.net>
Date: Wed, 17 Sep 2008 20:16:11 +0200
From: Mike Galbraith <efault@....de>
To: Eric Dumazet <dada1@...mosbay.com>
Cc: Ingo Molnar <mingo@...e.hu>,
Ilpo Järvinen <ilpo.jarvinen@...sinki.fi>,
Christoph Lameter <cl@...ux-foundation.org>,
"Rafael J. Wysocki" <rjw@...k.pl>,
LKML <linux-kernel@...r.kernel.org>,
kernel-testers@...r.kernel.org
Subject: Re: [Bug #11308] tbench regression on each kernel release
from 2.6.22 -> 2.6.28
On Wed, 2008-09-17 at 16:47 +0200, Eric Dumazet wrote:
> Could you please try following patch ?
>
> [PATCH] security_ops moved to read_mostly section
>
> "struct security_operations *security_ops" should be moved to read_mostly
> section in order to NOT let it share a cache line with higly modified variables.
v2.6.26-974-g2846693 (tip of revert reverts tree, == 847106f)
16384 87380 1 1 60.00 94350.45
16384 87380 1 1 60.01 95857.25
16384 87380 1 1 60.00 95334.84
16384 87380 1 1 60.00 95052.11
v2.6.26-659-g7804ad8 (first commit prior, == 2069f45)
16384 87380 1 1 60.00 98630.64
16384 87380 1 1 60.00 98653.14
16384 87380 1 1 60.00 99162.65
16384 87380 1 1 60.00 98652.38
v2.6.26-974-g2846693 patched
16384 87380 1 1 60.00 95877.41
16384 87380 1 1 60.00 95810.27
16384 87380 1 1 60.00 95530.03
16384 87380 1 1 60.00 94968.12
(poo, "it" didn't die)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists