From: Andrew Morton <akpm@linux-foundation.org>
To: David Rientjes <rientjes@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@suse.cz>,
Balbir Singh <bsingharora@gmail.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
cgroups@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [patch] mm, memcg: do not allow tasks to be attached with zero limit
Date: Thu, 8 Mar 2012 12:29:51 -0800 [thread overview]
Message-ID: <20120308122951.2988ec4e.akpm@linux-foundation.org> (raw)
In-Reply-To: <alpine.DEB.2.00.1203071914150.15244@chino.kir.corp.google.com>
On Wed, 7 Mar 2012 19:14:49 -0800 (PST)
David Rientjes <rientjes@google.com> wrote:
> This patch prevents tasks from being attached to a memcg if there is a
> hard limit of zero.
We're talking about the memcg's limit_in_bytes here, yes?
> Additionally, the hard limit may not be changed to
> zero if there are tasks attached.
hm, well... why? That would be user error, wouldn't it? What is
special about limit_in_bytes=0? The memcg will also be unviable if
limit_in_bytes=1, but we permit that.
IOW, confused.
--
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:[~2012-03-08 20:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-08 3:14 [patch] mm, memcg: do not allow tasks to be attached with zero limit David Rientjes
2012-03-08 3:14 ` David Rientjes
[not found] ` <alpine.DEB.2.00.1203071914150.15244-X6Q0R45D7oAcqpCFd4KODRPsWskHk0ljAL8bYrjMMd8@public.gmane.org>
2012-03-08 6:15 ` KAMEZAWA Hiroyuki
2012-03-08 6:15 ` KAMEZAWA Hiroyuki
2012-03-08 20:29 ` Andrew Morton [this message]
[not found] ` <20120308122951.2988ec4e.akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2012-03-09 1:22 ` KAMEZAWA Hiroyuki
2012-03-09 1:22 ` KAMEZAWA Hiroyuki
[not found] ` <20120309102255.bbf94164.kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2012-03-09 1:38 ` Andrew Morton
2012-03-09 1:38 ` Andrew Morton
[not found] ` <20120308173818.ae5f621b.akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2012-03-09 1:57 ` KAMEZAWA Hiroyuki
2012-03-09 1:57 ` KAMEZAWA Hiroyuki
2012-03-13 16:51 ` Johannes Weiner
2012-03-14 9:42 ` Michal Hocko
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=20120308122951.2988ec4e.akpm@linux-foundation.org \
--to=akpm@linux-foundation.org \
--cc=bsingharora@gmail.com \
--cc=cgroups@vger.kernel.org \
--cc=hannes@cmpxchg.org \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=linux-mm@kvack.org \
--cc=mhocko@suse.cz \
--cc=rientjes@google.com \
/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.