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Home » Mailing list archives » linux-kernel » 2008 » March » 6

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment

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From: Christoph Lameter <clameter@...>
To: Nick Piggin <npiggin@...>
Cc: David Miller <davem@...>, <netdev@...>, <linux-kernel@...>, <yanmin_zhang@...>, <dada1@...>
Subject: Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment
Date: Thursday, March 6, 2008 - 6:56 pm

On Thu, 6 Mar 2008, Nick Piggin wrote:


Just do not like to add fluff that has basically no effect. I just tried 
to improve things by not doing anything special if we cannot cacheline 
align object. Least surprise (at least for me). It is bad enough that we 
just decide to ignore the request for alignment for small caches.




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Messages in current thread:
[rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Mon Mar 3, 5:34 am)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Mon Mar 3, 3:08 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Mon Mar 3, 4:06 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Mon Mar 3, 4:10 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Mon Mar 3, 4:17 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Mon Mar 3, 5:16 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Tue Mar 4, 8:06 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, David Miller, (Tue Mar 4, 8:10 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Wed Mar 5, 5:06 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Wed Mar 5, 10:57 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 6:56 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 10:23 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 10:26 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 10:32 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 10:54 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 11:10 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 11:18 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 11:22 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 11:58 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Fri Mar 7, 12:05 am)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Pekka Enberg, (Mon Mar 3, 5:30 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Mon Mar 3, 5:32 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Tue Mar 4, 8:08 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Pekka Enberg, (Mon Mar 3, 5:35 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Tue Mar 4, 8:28 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Wed Mar 5, 4:56 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Wed Mar 5, 10:49 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 6:53 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 10:04 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 10:20 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 10:25 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 10:27 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 10:33 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 10:33 pm)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Fri Mar 7, 1:23 am)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Pekka Enberg, (Mon Mar 3, 5:44 am)
Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Mon Mar 3, 8:28 am)
[rfc][patch 3/3] use SLAB_ALIGN_SMP, Nick Piggin, (Mon Mar 3, 5:36 am)
Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Eric Dumazet, (Mon Mar 3, 5:53 am)
Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Nick Piggin, (Mon Mar 3, 8:41 am)
Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Eric Dumazet, (Mon Mar 3, 9:00 am)
Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Nick Piggin, (Mon Mar 3, 9:46 am)
Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Pekka Enberg, (Mon Mar 3, 9:53 am)
Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Christoph Lameter, (Mon Mar 3, 3:09 pm)
Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Nick Piggin, (Mon Mar 3, 4:10 pm)
Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Christoph Lameter, (Mon Mar 3, 4:12 pm)
Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Nick Piggin, (Mon Mar 3, 4:18 pm)
Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Christoph Lameter, (Mon Mar 3, 5:14 pm)
Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Eric Dumazet, (Mon Mar 3, 10:15 am)
Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Christoph Lameter, (Mon Mar 3, 3:10 pm)
[rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Mon Mar 3, 5:35 am)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Mon Mar 3, 3:06 pm)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Mon Mar 3, 4:03 pm)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Mon Mar 3, 4:09 pm)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Mon Mar 3, 4:12 pm)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Mon Mar 3, 4:17 pm)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Mon Mar 3, 4:24 pm)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Mon Mar 3, 5:31 pm)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Fri Mar 7, 12:37 am)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Fri Mar 7, 1:11 am)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Fri Mar 7, 1:19 am)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Fri Mar 7, 1:26 am)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Tue Mar 11, 3:13 am)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Wed Mar 12, 2:21 am)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Fri Mar 7, 1:37 am)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Tue Mar 4, 8:16 pm)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Pekka Enberg, (Mon Mar 3, 4:41 pm)
Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Mon Mar 3, 5:23 pm)

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