From: Balbir Singh <balbir@linux.vnet.ibm.com>
To: Paul Menage <menage@google.com>
Cc: vatsa@linux.vnet.ibm.com, containers@lists.linux-foundation.org,
Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] CFS CGroup: Report usage
Date: Tue, 23 Oct 2007 13:27:40 +0530 [thread overview]
Message-ID: <471DA974.8060509@linux.vnet.ibm.com> (raw)
In-Reply-To: <6599ad830710230053l35fffaf5ld8882eaae8b9df7c@mail.gmail.com>
Paul Menage wrote:
> On 10/23/07, Balbir Singh <balbir@linux.vnet.ibm.com> wrote:
>> Well, most people who care about deletion will use the notify_on_release
>> callback and retry.
>
> I'm not convinced this is true. Certainly the userspace approaches
> we're developing at Google don't (currently) use notify_on_release.
>
> Paul
Well, without notify_on_release you can never be sure if a new task
got added to the control group or if someone acquired a reference
to it. I can't think of a safe way of removing control groups/cpusets
without using notify_on_release.
--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL
next prev parent reply other threads:[~2007-10-23 7:58 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-23 0:49 [PATCH 2/2] CFS CGroup: Report usage Paul Menage
2007-10-23 2:40 ` Srivatsa Vaddagiri
2007-10-23 6:06 ` Paul Menage
2007-10-23 7:21 ` Paul Menage
[not found] ` <6599ad830710230021n536908c0xd95250f36aa8a27d-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-23 7:49 ` Balbir Singh
2007-10-23 7:49 ` Balbir Singh
[not found] ` <471DA78F.4090600-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2007-10-23 7:53 ` Paul Menage
2007-10-23 7:53 ` Paul Menage
2007-10-23 7:57 ` Balbir Singh [this message]
[not found] ` <471DA974.8060509-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2007-10-23 8:08 ` Paul Menage
2007-10-23 8:08 ` Paul Menage
[not found] ` <6599ad830710230053l35fffaf5ld8882eaae8b9df7c-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-23 7:57 ` Balbir Singh
2007-10-23 16:41 ` Srivatsa Vaddagiri
[not found] ` <6599ad830710222306m6a3e3f52k4daf501836c05274-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-23 7:21 ` Paul Menage
2007-10-23 16:41 ` Srivatsa Vaddagiri
[not found] ` <20071023024036.GC3324-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2007-10-23 6:06 ` Paul Menage
2007-10-23 3:17 ` Balbir Singh
[not found] ` <471D67B5.1020802-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2007-10-23 6:09 ` Paul Menage
2007-10-23 6:09 ` Paul Menage
[not found] ` <471D4523.4040509-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2007-10-23 2:40 ` Srivatsa Vaddagiri
2007-10-23 3:17 ` Balbir Singh
2007-10-23 16:43 ` Srivatsa Vaddagiri
2007-10-23 16:43 ` Srivatsa Vaddagiri
2007-10-23 16:47 ` Srivatsa Vaddagiri
2007-10-23 16:47 ` Srivatsa Vaddagiri
2007-10-23 16:41 ` Paul Menage
2007-10-23 17:38 ` Srivatsa Vaddagiri
[not found] ` <20071023173837.GG4667-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2007-10-24 2:28 ` Paul Menage
2007-10-24 2:28 ` Paul Menage
[not found] ` <6599ad830710231928n65a80021w582a07b5993377f8-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-24 4:39 ` Srivatsa Vaddagiri
2007-10-24 4:39 ` Srivatsa Vaddagiri
[not found] ` <20071024043916.GA5357-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2007-10-26 1:24 ` Paul Menage
2007-10-26 1:24 ` Paul Menage
[not found] ` <6599ad830710230941y5d175688ob3a4d9ac42ba8c8f-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-23 17:38 ` Srivatsa Vaddagiri
[not found] ` <20071023164704.GE4667-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2007-10-23 16:41 ` Paul Menage
-- strict thread matches above, loose matches on Subject: below --
2007-10-23 0:49 Paul Menage
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