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From: Pekka Enberg <penberg@cs.helsinki.fi>
To: Christoph Lameter <cl@linux-foundation.org>
Cc: akpm@linux-foundation.org, linux-mm@kvack.org,
	Tejun Heo <tj@kernel.org>,
	mingo@elte.hu, rusty@rustcorp.com.au, davem@davemloft.net,
	heiko.carstens@de.ibm.com
Subject: Re: [this_cpu_xx V2 13/19] Use this_cpu operations in slub
Date: Thu, 25 Jun 2009 10:12:19 +0300	[thread overview]
Message-ID: <1245913939.2018.29.camel@penberg-laptop> (raw)
In-Reply-To: <alpine.DEB.1.10.0906180959070.15556@gentwo.org>

On Thu, 18 Jun 2009, Pekka Enberg wrote:
> > Oh, and how does this work with the early boot slab code? We're
> > creating all the kmalloc caches with interrupts disabled and doing
> > per-cpu allocations, no?

On Thu, 2009-06-18 at 09:59 -0400, Christoph Lameter wrote:
> DMA slabs are not used during early bootup.

Actually, I think s390 is starting to use them during early boot:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=964cf35c88f93b4927dbc4e950dfa4d880c7f9d1

			Pekka

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  reply	other threads:[~2009-06-25  7:12 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-17 20:33 [this_cpu_xx V2 00/19] Introduce this_cpu_xx operations cl
2009-06-17 20:33 ` [this_cpu_xx V2 01/19] Fix handling of pagesets for downed cpus cl
2009-06-17 20:33 ` [this_cpu_xx V2 02/19] Introduce this_cpu_ptr() and generic this_cpu_* operations cl
2009-06-18  1:50   ` Tejun Heo
2009-06-18  2:29     ` Tejun Heo
2009-06-18 13:54       ` Christoph Lameter
2009-06-18 14:49         ` Tejun Heo
2009-06-17 20:33 ` [this_cpu_xx V2 03/19] Use this_cpu operations for SNMP statistics cl
2009-06-18  1:55   ` Tejun Heo
2009-06-17 20:33 ` [this_cpu_xx V2 04/19] Use this_cpu operations for NFS statistics cl
2009-06-18  2:03   ` Tejun Heo
2009-06-17 20:33 ` [this_cpu_xx V2 05/19] use this_cpu ops for network statistics cl
2009-06-17 20:33 ` [this_cpu_xx V2 06/19] this_cpu_ptr: Straight transformations cl
2009-06-17 20:33 ` [this_cpu_xx V2 07/19] this_cpu_ptr: Elimninate get/put_cpu cl
2009-06-17 20:33 ` [this_cpu_xx V2 08/19] this_cpu_ptr: xfs_icsb_modify_counters does not need "cpu" variable cl
2009-06-17 20:33 ` [this_cpu_xx V2 09/19] Use this_cpu_ptr in crypto subsystem cl
2009-06-17 20:33 ` [this_cpu_xx V2 10/19] this_cpu: X86 optimized this_cpu operations cl
2009-06-18  3:00   ` Tejun Heo
2009-06-18 14:07     ` Christoph Lameter
2009-06-18 14:48       ` Tejun Heo
2009-06-18 15:39         ` Christoph Lameter
2009-06-18 16:06           ` Tejun Heo
2009-06-18 16:15             ` Tejun Heo
2009-06-18 17:05             ` Christoph Lameter
2009-06-19  5:41             ` Rusty Russell
2009-06-23 18:00               ` Christoph Lameter
2009-06-17 20:33 ` [this_cpu_xx V2 11/19] Use this_cpu ops for VM statistics cl
2009-06-18  3:05   ` Tejun Heo
2009-06-17 20:33 ` [this_cpu_xx V2 12/19] RCU: Use this_cpu operations cl
2009-06-17 20:33 ` [this_cpu_xx V2 13/19] Use this_cpu operations in slub cl
2009-06-18  6:20   ` Pekka Enberg
2009-06-18  6:25     ` Pekka Enberg
2009-06-18 13:59       ` Christoph Lameter
2009-06-25  7:12         ` Pekka Enberg [this message]
2009-06-18  6:49     ` Tejun Heo
2009-06-18  7:35       ` Pekka Enberg
2009-06-18 13:59     ` Christoph Lameter
2009-06-25  7:11       ` Pekka Enberg
2009-06-17 20:33 ` [this_cpu_xx V2 14/19] this_cpu: Remove slub kmem_cache fields cl
2009-06-17 20:33 ` [this_cpu_xx V2 15/19] Make slub statistics use this_cpu_inc cl
2009-06-17 20:33 ` [this_cpu_xx V2 16/19] this_cpu: slub aggressive use of this_cpu operations in the hotpaths cl
2009-06-18  6:33   ` Pekka Enberg
2009-06-18 11:59     ` Mathieu Desnoyers
2009-06-18 14:00     ` Christoph Lameter
2009-06-17 20:33 ` [this_cpu_xx V2 17/19] Move early initialization of pagesets out of zone_wait_table_init() cl
2009-06-18  3:13   ` Tejun Heo
2009-06-17 20:33 ` [this_cpu_xx V2 18/19] this_cpu_ops: page allocator conversion cl
2009-06-17 20:33 ` [this_cpu_xx V2 19/19] this_cpu ops: Remove pageset_notifier cl

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