From: Christoph Lameter <cl@linux-foundation.org>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
jeremy@goop.org, ebiederm@xmission.com, travis@sgi.com,
herbert@gondor.apana.org.au, xemul@openvz.org,
penberg@cs.helsinki.fi
Subject: Re: [patch 3/4] cpu alloc: The allocator
Date: Tue, 07 Oct 2008 08:27:49 -0500 [thread overview]
Message-ID: <48EB63D5.8090202@linux-foundation.org> (raw)
In-Reply-To: <200810060810.43511.rusty@rustcorp.com.au>
Rusty Russell wrote:
> It shouldn't be a big win, since possible ~= online for most systems. And
> having all the per-cpu users register online and offline cpu callbacks is
> error prone and a PITA.
That also has the nice consequence that moving the allocators (page allocator
/ slub) to the use of cpu_alloc will avoid the online and offline callbacks
(the main focus of these is getting rid of large pointer arrays there and
simplifying bootstrap etc).
next prev parent reply other threads:[~2008-10-07 13:30 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-29 19:35 [patch 0/4] Cpu alloc V6: Replace percpu allocator in modules.c Christoph Lameter
2008-09-29 19:35 ` [patch 1/4] Make the per cpu reserve configurable Christoph Lameter
2008-09-29 19:35 ` [patch 2/4] percpu: Rename variables PERCPU_ENOUGH_ROOM -> PERCPU_AREA_SIZE Christoph Lameter
2008-09-29 19:35 ` [patch 3/4] cpu alloc: The allocator Christoph Lameter
2008-09-30 6:35 ` Pekka Enberg
2008-09-30 11:38 ` Christoph Lameter
2008-09-30 11:48 ` Pekka Enberg
2008-09-30 12:12 ` Christoph Lameter
2008-10-03 7:33 ` Andrew Morton
2008-10-03 7:43 ` Pekka Enberg
2008-10-03 8:20 ` Andrew Morton
2008-10-03 14:15 ` Christoph Lameter
2008-10-03 12:48 ` Christoph Lameter
2008-10-05 21:10 ` Rusty Russell
2008-10-07 13:27 ` Christoph Lameter [this message]
2008-09-29 19:35 ` [patch 4/4] cpu alloc: Use cpu allocator instead of the builtin modules per cpu allocator Christoph Lameter
2008-09-30 22:28 ` Rusty Russell
2008-09-30 22:27 ` [patch 0/4] Cpu alloc V6: Replace percpu allocator in modules.c Rusty Russell
2008-10-07 23:34 ` Andrew Morton
2008-10-08 15:10 ` Christoph Lameter
-- strict thread matches above, loose matches on Subject: below --
2008-09-19 14:58 [patch 0/4] Cpu alloc V5: " Christoph Lameter
2008-09-19 14:59 ` [patch 3/4] cpu alloc: The allocator Christoph Lameter
2008-09-19 15:23 ` KOSAKI Motohiro
2008-09-19 16:27 ` Eric Dumazet
2008-09-19 16:49 ` Christoph Lameter
2008-09-19 17:00 ` Christoph Lameter
2008-09-19 20:32 ` Christoph Lameter
2008-09-18 23:36 [patch 0/4] Cpu alloc V4: Replace percpu allocator in modules.c Christoph Lameter
2008-09-18 23:36 ` [patch 3/4] cpu alloc: The allocator Christoph Lameter
2008-09-19 7:58 ` Pekka Enberg
2008-09-19 13:11 ` Christoph Lameter
2008-09-19 14:12 ` Pekka Enberg
2008-09-19 14:27 ` Christoph Lameter
2008-09-19 14:35 ` Pekka Enberg
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