From: Eric Dumazet <eric.dumazet@gmail.com>
To: Christoph Lameter <cl@linux.com>
Cc: Mel Gorman <mgorman@suse.de>, Pekka Enberg <penberg@kernel.org>,
Konstantin Khlebnikov <khlebnikov@openvz.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Matt Mackall <mpm@selenic.com>
Subject: Re: [PATCH] mm-slab: allocate kmem_cache with __GFP_REPEAT
Date: Thu, 21 Jul 2011 10:43:59 +0200 [thread overview]
Message-ID: <1311237839.2422.10.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> (raw)
In-Reply-To: <alpine.DEB.2.00.1107200950270.1472@router.home>
Le mercredi 20 juillet 2011 à 09:52 -0500, Christoph Lameter a écrit :
> We should be making it a per cpu pointer like slub then. I looked at what
> it would take to do so a couple of month ago but it was quite invasive.
>
I took a look at this too, but using percpu data would consume more
memory, because percpu allocator allocates memory blobs for all possible
cpus, while current code handles online/offline cpu nicely.
WARNING: multiple messages have this Message-ID (diff)
From: Eric Dumazet <eric.dumazet@gmail.com>
To: Christoph Lameter <cl@linux.com>
Cc: Mel Gorman <mgorman@suse.de>, Pekka Enberg <penberg@kernel.org>,
Konstantin Khlebnikov <khlebnikov@openvz.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Matt Mackall <mpm@selenic.com>
Subject: Re: [PATCH] mm-slab: allocate kmem_cache with __GFP_REPEAT
Date: Thu, 21 Jul 2011 10:43:59 +0200 [thread overview]
Message-ID: <1311237839.2422.10.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> (raw)
In-Reply-To: <alpine.DEB.2.00.1107200950270.1472@router.home>
Le mercredi 20 juillet 2011 A 09:52 -0500, Christoph Lameter a A(C)crit :
> We should be making it a per cpu pointer like slub then. I looked at what
> it would take to do so a couple of month ago but it was quite invasive.
>
I took a look at this too, but using percpu data would consume more
memory, because percpu allocator allocates memory blobs for all possible
cpus, while current code handles online/offline cpu nicely.
--
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/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2011-07-21 8:44 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-20 12:16 [PATCH] mm-slab: allocate kmem_cache with __GFP_REPEAT Konstantin Khlebnikov
2011-07-20 12:16 ` Konstantin Khlebnikov
2011-07-20 13:14 ` Pekka Enberg
2011-07-20 13:14 ` Pekka Enberg
2011-07-20 13:28 ` Konstantin Khlebnikov
2011-07-20 13:28 ` Konstantin Khlebnikov
2011-07-20 13:42 ` Pekka Enberg
2011-07-20 13:42 ` Pekka Enberg
2011-07-20 13:50 ` Konstantin Khlebnikov
2011-07-20 13:50 ` Konstantin Khlebnikov
2011-07-20 13:53 ` Pekka Enberg
2011-07-20 13:53 ` Pekka Enberg
2011-07-20 15:36 ` Christoph Lameter
2011-07-20 15:36 ` Christoph Lameter
2011-07-20 13:59 ` Konstantin Khlebnikov
2011-07-20 13:59 ` Konstantin Khlebnikov
2011-07-20 13:54 ` Christoph Lameter
2011-07-20 13:54 ` Christoph Lameter
2011-07-20 14:20 ` Mel Gorman
2011-07-20 14:20 ` Mel Gorman
2011-07-20 14:32 ` Konstantin Khlebnikov
2011-07-20 14:32 ` Konstantin Khlebnikov
2011-07-20 14:40 ` Eric Dumazet
2011-07-20 14:40 ` Eric Dumazet
2011-07-20 14:47 ` Konstantin Khlebnikov
2011-07-20 14:47 ` Konstantin Khlebnikov
2011-07-20 13:43 ` Mel Gorman
2011-07-20 13:43 ` Mel Gorman
2011-07-20 13:56 ` Christoph Lameter
2011-07-20 13:56 ` Christoph Lameter
2011-07-20 14:08 ` Eric Dumazet
2011-07-20 14:08 ` Eric Dumazet
2011-07-20 14:52 ` Christoph Lameter
2011-07-20 14:52 ` Christoph Lameter
2011-07-20 15:09 ` Eric Dumazet
2011-07-20 15:09 ` Eric Dumazet
2011-07-20 15:34 ` Christoph Lameter
2011-07-20 15:34 ` Christoph Lameter
2011-07-20 15:56 ` Eric Dumazet
2011-07-20 15:56 ` Eric Dumazet
2011-07-20 16:17 ` Christoph Lameter
2011-07-20 16:17 ` Christoph Lameter
2011-07-20 16:31 ` Eric Dumazet
2011-07-20 16:31 ` Eric Dumazet
2011-07-20 17:04 ` Eric Dumazet
2011-07-20 17:04 ` Eric Dumazet
2011-07-20 17:13 ` Christoph Lameter
2011-07-20 17:13 ` Christoph Lameter
2011-07-20 17:28 ` Pekka Enberg
2011-07-20 17:28 ` Pekka Enberg
2011-07-20 17:37 ` Christoph Lameter
2011-07-20 17:37 ` Christoph Lameter
2011-07-20 17:41 ` Pekka Enberg
2011-07-20 17:41 ` Pekka Enberg
2011-07-20 18:07 ` Matt Mackall
2011-07-20 18:07 ` Matt Mackall
2011-07-21 7:18 ` Konstantin Khlebnikov
2011-07-21 7:18 ` Konstantin Khlebnikov
2011-07-20 19:09 ` Mel Gorman
2011-07-20 19:09 ` Mel Gorman
2011-07-31 11:41 ` Konstantin Khlebnikov
2011-07-31 11:41 ` Konstantin Khlebnikov
2011-07-31 11:44 ` Pekka Enberg
2011-07-31 11:44 ` Pekka Enberg
2011-07-21 8:43 ` Eric Dumazet [this message]
2011-07-21 8:43 ` Eric Dumazet
2011-07-21 15:27 ` Christoph Lameter
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=1311237839.2422.10.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC \
--to=eric.dumazet@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=cl@linux.com \
--cc=khlebnikov@openvz.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mgorman@suse.de \
--cc=mpm@selenic.com \
--cc=penberg@kernel.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.