From: Christoph Lameter <cl@linux.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>,
linux-mm@kvack.org, akpm@linux-foundation.org, npiggin@kernel.dk,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
kamezawa.hiroyu@jp.fujitsu.com, Mel Gorman <mel@csn.ul.ie>,
Minchan Kim <minchan.kim@gmail.com>
Subject: Re: [PATCH 0/3] Unmapped page cache control (v5)
Date: Sun, 3 Apr 2011 13:45:15 -0500 (CDT) [thread overview]
Message-ID: <alpine.DEB.2.00.1104031342540.15317@router.home> (raw)
In-Reply-To: <20110403184514.AE4E.A69D9226@jp.fujitsu.com>
On Sun, 3 Apr 2011, KOSAKI Motohiro wrote:
> 1) Some bios don't have such knob. btw, OK, yes, *I* can switch NUMA off completely
> because I don't have such bios. 2) bios level turning off makes some side effects,
> example, scheduler load balancing don't care numa anymore.
Well then lets add a kernel parameter that switches all NUMA off.
Otherwise: If you just run a kernel build without NUMA support then you have a similar
effect.
Re #2) If you have the system toss processes around the system then the
load balancing heuristics does not bring you any benefit.
--
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:[~2011-04-03 18:45 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-30 5:30 Balbir Singh
2011-03-30 5:31 ` [PATCH 1/3] Move zone_reclaim() outside of CONFIG_NUMA (v5) Balbir Singh
2011-03-30 5:31 ` [PATCH 2/3] Refactor zone_reclaim code (v5) Balbir Singh
2011-03-30 5:32 ` [PATCH 3/3] Provide control over unmapped pages (v5) Balbir Singh
2011-03-30 23:35 ` Andrew Morton
2011-03-31 5:52 ` Balbir Singh
2011-03-30 23:36 ` [PATCH 0/3] Unmapped page cache control (v5) Andrew Morton
2011-03-31 5:27 ` Balbir Singh
2011-03-31 5:32 ` Andrew Morton
2011-04-01 17:31 ` Balbir Singh
2011-03-31 5:40 ` KOSAKI Motohiro
2011-03-31 8:28 ` Balbir Singh
2011-04-01 7:56 ` KOSAKI Motohiro
2011-04-01 13:12 ` Balbir Singh
2011-04-01 13:21 ` KOSAKI Motohiro
2011-04-01 18:04 ` Balbir Singh
2011-04-03 9:39 ` KOSAKI Motohiro
2011-03-31 20:13 ` Christoph Lameter
2011-04-01 13:17 ` KOSAKI Motohiro
2011-04-01 14:50 ` Christoph Lameter
2011-04-03 9:44 ` KOSAKI Motohiro
2011-04-03 18:45 ` Christoph Lameter [this message]
2011-04-01 23:10 ` Satoru Moriya
2011-04-02 1:10 ` Dave Chinner
2011-04-03 9:32 ` KOSAKI Motohiro
2011-04-04 0:19 ` Dave Chinner
2011-04-04 12:05 ` KOSAKI Motohiro
2011-04-03 18:41 ` Christoph Lameter
2011-03-31 21:40 ` Dave Chinner
2011-04-01 3:08 ` Balbir Singh
2011-04-01 5:31 ` Dave Chinner
2011-04-01 3:18 ` KOSAKI Motohiro
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=alpine.DEB.2.00.1104031342540.15317@router.home \
--to=cl@linux.com \
--cc=akpm@linux-foundation.org \
--cc=balbir@linux.vnet.ibm.com \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=kosaki.motohiro@jp.fujitsu.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mel@csn.ul.ie \
--cc=minchan.kim@gmail.com \
--cc=npiggin@kernel.dk \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox