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).
WARNING: multiple messages have this Message-ID (diff)
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).
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2008-10-07 13:30 UTC|newest]
Thread overview: 58+ 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 ` Christoph Lameter
2008-09-29 19:35 ` [patch 1/4] Make the per cpu reserve configurable Christoph Lameter
2008-09-29 19:35 ` 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 ` Christoph Lameter
2008-09-29 19:35 ` [patch 3/4] cpu alloc: The allocator Christoph Lameter
2008-09-29 19:35 ` Christoph Lameter
2008-09-30 6:35 ` Pekka Enberg
2008-09-30 6:35 ` Pekka Enberg
2008-09-30 11:38 ` Christoph Lameter
2008-09-30 11:38 ` Christoph Lameter
2008-09-30 11:48 ` Pekka Enberg
2008-09-30 11:48 ` Pekka Enberg
2008-09-30 12:12 ` Christoph Lameter
2008-09-30 12:12 ` Christoph Lameter
2008-10-03 7:33 ` Andrew Morton
2008-10-03 7:33 ` Andrew Morton
2008-10-03 7:43 ` Pekka Enberg
2008-10-03 7:43 ` Pekka Enberg
2008-10-03 8:20 ` Andrew Morton
2008-10-03 8:20 ` Andrew Morton
2008-10-03 14:15 ` Christoph Lameter
2008-10-03 14:15 ` Christoph Lameter
2008-10-03 12:48 ` Christoph Lameter
2008-10-03 12:48 ` Christoph Lameter
2008-10-05 21:10 ` Rusty Russell
2008-10-05 21:10 ` Rusty Russell
2008-10-07 13:27 ` Christoph Lameter [this message]
2008-10-07 13:27 ` Christoph Lameter
2008-09-29 19:35 ` [patch 4/4] cpu alloc: Use cpu allocator instead of the builtin modules per cpu allocator Christoph Lameter
2008-09-29 19:35 ` Christoph Lameter
2008-09-30 22:28 ` Rusty Russell
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
2008-09-30 22:27 ` Rusty Russell
2008-10-07 23:34 ` Andrew Morton
2008-10-07 23:34 ` Andrew Morton
2008-10-08 15:10 ` Christoph Lameter
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 14:59 ` Christoph Lameter
2008-09-19 15:23 ` KOSAKI Motohiro
2008-09-19 15:23 ` KOSAKI Motohiro
2008-09-19 16:27 ` Eric Dumazet
2008-09-19 16:27 ` Eric Dumazet
2008-09-19 16:49 ` Christoph Lameter
2008-09-19 16:49 ` Christoph Lameter
2008-09-19 17:00 ` Christoph Lameter
2008-09-19 17:00 ` Christoph Lameter
2008-09-19 20:32 ` 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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=48EB63D5.8090202@linux-foundation.org \
--to=cl@linux-foundation.org \
--cc=akpm@linux-foundation.org \
--cc=ebiederm@xmission.com \
--cc=herbert@gondor.apana.org.au \
--cc=jeremy@goop.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=penberg@cs.helsinki.fi \
--cc=rusty@rustcorp.com.au \
--cc=travis@sgi.com \
--cc=xemul@openvz.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.