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

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

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From: Christoph Lameter

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

Date: Thursday, March 6, 2008 - 8:58 pm

On Fri, 7 Mar 2008, Nick Piggin wrote:

quoted text> Where do I argue that it reduces cacheline contention? All arguments
> I made apply to a UP system equally.

Huh? I thought you wanted to avoid cacheline alignment on UP to save 
memory?


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Messages in current thread:

[rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Mon Mar 3, 2:34 am)

[rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Mon Mar 3, 2:35 am)

[rfc][patch 3/3] use SLAB_ALIGN_SMP, Nick Piggin, (Mon Mar 3, 2:36 am)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Pekka Enberg, (Mon Mar 3, 2:44 am)

Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Eric Dumazet, (Mon Mar 3, 2:53 am)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Mon Mar 3, 5:28 am)

Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Nick Piggin, (Mon Mar 3, 5:41 am)

Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Eric Dumazet, (Mon Mar 3, 6:00 am)

Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Nick Piggin, (Mon Mar 3, 6:46 am)

Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Pekka Enberg, (Mon Mar 3, 6:53 am)

Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Eric Dumazet, (Mon Mar 3, 7:15 am)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Mon Mar 3, 12:06 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Mon Mar 3, 12:08 pm)

Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Christoph Lameter, (Mon Mar 3, 12:09 pm)

Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Christoph Lameter, (Mon Mar 3, 12:10 pm)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Mon Mar 3, 1:03 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Mon Mar 3, 1:06 pm)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Mon Mar 3, 1:09 pm)

Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Nick Piggin, (Mon Mar 3, 1:10 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Mon Mar 3, 1:10 pm)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Mon Mar 3, 1:12 pm)

Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Christoph Lameter, (Mon Mar 3, 1:12 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Mon Mar 3, 1:17 pm)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Mon Mar 3, 1:17 pm)

Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Nick Piggin, (Mon Mar 3, 1:18 pm)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Mon Mar 3, 1:24 pm)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Pekka Enberg, (Mon Mar 3, 1:41 pm)

Re: [rfc][patch 3/3] use SLAB_ALIGN_SMP, Christoph Lameter, (Mon Mar 3, 2:14 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Mon Mar 3, 2:16 pm)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Mon Mar 3, 2:23 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Pekka Enberg, (Mon Mar 3, 2:30 pm)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Mon Mar 3, 2:31 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Mon Mar 3, 2:32 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Pekka Enberg, (Mon Mar 3, 2:35 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Tue Mar 4, 5:06 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Tue Mar 4, 5:08 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, David Miller, (Tue Mar 4, 5:10 pm)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Tue Mar 4, 5:16 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Tue Mar 4, 5:28 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Wed Mar 5, 1:56 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Wed Mar 5, 2:06 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Wed Mar 5, 7:49 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Wed Mar 5, 7:57 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 3:53 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 3:56 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 7:04 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 7:20 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 7:23 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 7:25 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 7:26 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 7:27 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 7:32 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 7:33 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 7:33 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 7:54 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 8:10 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 8:18 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 8:22 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Christoph Lameter, (Thu Mar 6, 8:58 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 9:05 pm)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Thu Mar 6, 9:37 pm)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Thu Mar 6, 10:11 pm)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Thu Mar 6, 10:19 pm)

Re: [rfc][patch 1/3] slub: fix small HWCACHE_ALIGN alignment, Nick Piggin, (Thu Mar 6, 10:23 pm)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Thu Mar 6, 10:26 pm)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Thu Mar 6, 10:37 pm)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Nick Piggin, (Tue Mar 11, 12:13 am)

Re: [rfc][patch 2/3] slab: introduce SMP alignment, Christoph Lameter, (Tue Mar 11, 11:21 pm)

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