From: David Rientjes <rientjes@google.com>
To: Miao Xie <miaox@cn.fujitsu.com>
Cc: Nick Piggin <npiggin@suse.de>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Lee Schermerhorn <lee.schermerhorn@hp.com>
Subject: Re: [regression] cpuset,mm: update tasks' mems_allowed in time (58568d2)
Date: Wed, 24 Feb 2010 13:08:12 -0800 (PST) [thread overview]
Message-ID: <alpine.DEB.2.00.1002241307040.30870@chino.kir.corp.google.com> (raw)
In-Reply-To: <4B84F2FD.6030605@cn.fujitsu.com>
On Wed, 24 Feb 2010, Miao Xie wrote:
> I think it is not a big deal because it is safe and doesn't cause any problem.
> Beside that, task->cpus_allowed is initialized to cpu_possible_mask on the no-cpuset
> kernel, so using cpu_possible_mask to initialize task->cpus_allowed is reasonable.
> (top cpuset is a special cpuset, isn't it?)
>
I'm suprised that I can create a descendant cpuset of top_cpuset that
cannot include all of its parents' cpus and that the root cpuset's cpus
mask doesn't change when cpus are onlined/offlined.
--
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:[~2010-02-24 21:08 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-18 13:49 Nick Piggin
2010-02-18 21:38 ` David Rientjes
2010-02-19 3:31 ` Nick Piggin
2010-02-19 10:06 ` David Rientjes
2010-02-22 11:53 ` Miao Xie
2010-02-22 12:06 ` Nick Piggin
2010-02-23 1:48 ` Miao Xie
2010-02-22 22:06 ` David Rientjes
2010-02-23 7:32 ` Miao Xie
2010-02-23 8:55 ` David Rientjes
2010-02-23 9:23 ` Miao Xie
2010-02-23 22:31 ` David Rientjes
2010-02-24 9:35 ` Miao Xie
2010-02-24 21:08 ` David Rientjes [this message]
2010-02-25 1:18 ` Miao Xie
2010-02-22 12:12 ` Nick Piggin
2010-02-22 22:00 ` David Rientjes
2010-02-23 8:25 ` Miao Xie
2010-02-23 8:44 ` David Rientjes
2010-02-24 9:49 ` Miao Xie
2010-02-24 21:06 ` David Rientjes
2010-02-19 7:51 ` KOSAKI Motohiro
2010-02-19 9:42 ` David Rientjes
2010-02-19 7:56 ` KAMEZAWA Hiroyuki
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.2.00.1002241307040.30870@chino.kir.corp.google.com \
--to=rientjes@google.com \
--cc=lee.schermerhorn@hp.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=miaox@cn.fujitsu.com \
--cc=npiggin@suse.de \
/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