mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Paul Menage <menage@google.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: balbir@linux.vnet.ibm.com, containers@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org, akpm@linux-foundation.org
Subject: Re: [RFC][PATCH 2/3] CGroups: Use hierarchy_mutex in memory  controller
Date: Thu, 11 Dec 2008 09:05:47 -0800	[thread overview]
Message-ID: <6599ad830812110905k4e32363fp671bf88e18fbf349@mail.gmail.com> (raw)
In-Reply-To: <20081211155323.957eb73c.kamezawa.hiroyu@jp.fujitsu.com>

On Wed, Dec 10, 2008 at 10:53 PM, KAMEZAWA Hiroyuki
<kamezawa.hiroyu@jp.fujitsu.com> wrote:
>
> Could you write a document to explain what kind of nest of locks are allowed
> before merging this ?

We should probably treat it similarly to the cpuset "callback_mutex".
I.e. memory allocations are most likely forbidden when you're holding
it.

Paul

  reply	other threads:[~2008-12-11 17:06 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-10 23:36 [RFC][PATCH 0/3] CGroups: CGroups: Hierarchy locking/refcount changes menage
2008-12-10 23:36 ` [RFC][PATCH 1/3] CGroups: Add a per-subsystem hierarchy_mutex menage
2008-12-11  0:37   ` KAMEZAWA Hiroyuki
2008-12-11  0:44     ` Paul Menage
2008-12-11  6:30     ` Balbir Singh
2008-12-11  3:05   ` Li Zefan
2008-12-11 17:07     ` Paul Menage
2008-12-11  6:29   ` Balbir Singh
2008-12-11 17:09     ` Paul Menage
2008-12-10 23:36 ` [RFC][PATCH 2/3] CGroups: Use hierarchy_mutex in memory controller menage
2008-12-11  0:49   ` KAMEZAWA Hiroyuki
2008-12-11  0:52     ` Paul Menage
2008-12-11  1:05       ` KAMEZAWA Hiroyuki
2008-12-11  6:33         ` Balbir Singh
2008-12-11  6:47           ` Li Zefan
2008-12-11  6:53           ` KAMEZAWA Hiroyuki
2008-12-11 17:05             ` Paul Menage [this message]
2008-12-12  1:12               ` KAMEZAWA Hiroyuki
2008-12-10 23:36 ` [RFC][PATCH 3/3] CGroups: Add css_tryget() menage
2008-12-11  0:52   ` KAMEZAWA Hiroyuki
2008-12-11  7:02     ` [RFC][PATCH]example: use css_tryget() in memcg " KAMEZAWA Hiroyuki
2008-12-11  5:15   ` KAMEZAWA Hiroyuki
2008-12-11  7:28     ` Paul Menage
2008-12-11  7:29       ` 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=6599ad830812110905k4e32363fp671bf88e18fbf349@mail.gmail.com \
    --to=menage@google.com \
    --cc=akpm@linux-foundation.org \
    --cc=balbir@linux.vnet.ibm.com \
    --cc=containers@lists.linux-foundation.org \
    --cc=kamezawa.hiroyu@jp.fujitsu.com \
    --cc=linux-kernel@vger.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome