From: Nick Piggin <npiggin@suse.de>
To: Christoph Lameter <clameter@sgi.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>,
netdev@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
yanmin_zhang@linux.intel.com, David Miller <davem@davemloft.net>,
Eric Dumazet <dada1@cosmosbay.com>
Subject: Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment
Date: Fri, 7 Mar 2008 06:23:18 +0100 [thread overview]
Message-ID: <20080307052317.GK21185@wotan.suse.de> (raw)
In-Reply-To: <Pine.LNX.4.64.0803061833140.29585@schroedinger.engr.sgi.com>
On Thu, Mar 06, 2008 at 06:33:35PM -0800, Christoph Lameter wrote:
> On Fri, 7 Mar 2008, Nick Piggin wrote:
>
> > On Thu, Mar 06, 2008 at 06:27:12PM -0800, Christoph Lameter wrote:
> > > On Fri, 7 Mar 2008, Nick Piggin wrote:
> > >
> > > > > Is that really a noteworthy effect?
> > > >
> > > > Yes.
> > >
> > > Numbers?
> >
> > Uhh... big number > small number
>
> Can you quantify the effect?
It obviously won't be a great deal until if/when it starts getting
used more. The space savings on UP are just one reason why my approach
is better than using the static alignment annotations.
next prev parent reply other threads:[~2008-03-07 5:23 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-03 9:34 [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment Nick Piggin
2008-03-03 9:35 ` [rfc][patch 2/3] slab: introduce SMP alignment Nick Piggin
2008-03-03 19:06 ` Christoph Lameter
2008-03-03 20:03 ` Nick Piggin
2008-03-03 20:09 ` Christoph Lameter
2008-03-03 20:12 ` Nick Piggin
2008-03-03 20:17 ` Christoph Lameter
2008-03-03 20:24 ` Nick Piggin
2008-03-03 20:41 ` Pekka Enberg
2008-03-03 21:23 ` Christoph Lameter
2008-03-03 21:31 ` Christoph Lameter
2008-03-05 0:16 ` Nick Piggin
2008-03-07 4:37 ` Nick Piggin
2008-03-07 5:11 ` Christoph Lameter
2008-03-07 5:19 ` Nick Piggin
2008-03-07 5:26 ` Christoph Lameter
2008-03-07 5:37 ` Nick Piggin
2008-03-11 7:13 ` Nick Piggin
2008-03-12 6:21 ` Christoph Lameter
2008-03-03 9:36 ` [rfc][patch 3/3] use SLAB_ALIGN_SMP Nick Piggin
2008-03-03 9:53 ` Eric Dumazet
2008-03-03 12:41 ` Nick Piggin
2008-03-03 13:00 ` Eric Dumazet
2008-03-03 13:46 ` Nick Piggin
2008-03-03 13:53 ` Pekka Enberg
2008-03-03 14:15 ` Eric Dumazet
2008-03-03 19:10 ` Christoph Lameter
2008-03-03 19:09 ` Christoph Lameter
2008-03-03 20:10 ` Nick Piggin
2008-03-03 20:12 ` Christoph Lameter
2008-03-03 20:18 ` Nick Piggin
2008-03-03 21:14 ` Christoph Lameter
2008-03-03 9:44 ` [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment Pekka Enberg
2008-03-03 12:28 ` Nick Piggin
2008-03-03 19:08 ` Christoph Lameter
2008-03-03 20:06 ` Nick Piggin
2008-03-03 20:10 ` Christoph Lameter
2008-03-03 20:17 ` Nick Piggin
2008-03-03 21:16 ` Christoph Lameter
2008-03-03 21:30 ` Pekka Enberg
2008-03-03 21:32 ` Christoph Lameter
2008-03-03 21:35 ` Pekka Enberg
2008-03-05 0:28 ` Nick Piggin
2008-03-05 20:56 ` Christoph Lameter
2008-03-06 2:49 ` Nick Piggin
2008-03-06 22:53 ` Christoph Lameter
2008-03-07 2:04 ` Nick Piggin
2008-03-07 2:20 ` Christoph Lameter
2008-03-07 2:25 ` Nick Piggin
2008-03-07 2:27 ` Christoph Lameter
2008-03-07 2:33 ` Nick Piggin
2008-03-07 2:33 ` Christoph Lameter
2008-03-07 5:23 ` Nick Piggin [this message]
2008-03-05 0:08 ` Nick Piggin
2008-03-05 0:06 ` Nick Piggin
2008-03-05 0:10 ` David Miller
2008-03-05 21:06 ` Christoph Lameter
2008-03-06 2:57 ` Nick Piggin
2008-03-06 22:56 ` Christoph Lameter
2008-03-07 2:23 ` Nick Piggin
2008-03-07 2:26 ` Christoph Lameter
2008-03-07 2:32 ` Nick Piggin
2008-03-07 2:54 ` Christoph Lameter
2008-03-07 3:10 ` Nick Piggin
2008-03-07 3:18 ` Christoph Lameter
2008-03-07 3:22 ` Nick Piggin
2008-03-07 3:58 ` Christoph Lameter
2008-03-07 4:05 ` Nick Piggin
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