From: Pavel Emelyanov <xemul@parallels.com>
To: Tejun Heo <tj@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Cyrill Gorcunov <gorcunov@openvz.org>,
Glauber Costa <glommer@parallels.com>,
Nathan Lynch <ntl@pobox.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Serge Hallyn <serue@us.ibm.com>,
Daniel Lezcano <dlezcano@fr.ibm.com>
Subject: Re: [PATCH 3/3] pids: Make it possible to clone tasks with given pids
Date: Fri, 11 Nov 2011 20:18:19 +0400 [thread overview]
Message-ID: <4EBD4ACB.2070001@parallels.com> (raw)
In-Reply-To: <CAOS58YOS77+WZt19qu_72DPgEPdwTdkD88J6RNR4a3x0h-2Qkw@mail.gmail.com>
On 11/11/2011 08:10 PM, Tejun Heo wrote:
>> It's highly unlikely that the ability to fork in parallel would
>> contribute to any meaningful speedup. That is not the critical path by
>> *far*
>
> To add a bit, it's also one of the more *serialized* path. Doing it in
> parallel might actually hurt,
Can you elaborate on this, please?
> so if losing the ability to do it makes it less intrusive, that's the
> better way.
>
next prev parent reply other threads:[~2011-11-11 16:18 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-10 17:15 [PATCH 0/3] Introduce the cloning with pids functionality Pavel Emelyanov
2011-11-10 17:15 ` [PATCH 1/3] pids: Make alloc_pid return error Pavel Emelyanov
2011-11-10 18:00 ` Oleg Nesterov
2011-11-11 10:02 ` Pavel Emelyanov
2011-11-10 17:15 ` [PATCH 2/3] pids: Split alloc_pidmap into parts Pavel Emelyanov
2011-11-10 18:12 ` Oleg Nesterov
2011-11-10 17:16 ` [PATCH 3/3] pids: Make it possible to clone tasks with given pids Pavel Emelyanov
2011-11-10 17:30 ` Tejun Heo
2011-11-10 17:36 ` Pavel Emelyanov
2011-11-10 17:45 ` Tejun Heo
2011-11-11 10:04 ` Pavel Emelyanov
2011-11-10 18:46 ` Oleg Nesterov
2011-11-10 18:56 ` Oleg Nesterov
2011-11-11 10:11 ` Pavel Emelyanov
2011-11-11 15:25 ` Oleg Nesterov
2011-11-11 15:58 ` Pavel Emelyanov
2011-11-11 16:06 ` Tejun Heo
2011-11-11 16:10 ` Tejun Heo
2011-11-11 16:18 ` Pavel Emelyanov [this message]
2011-11-11 16:22 ` Tejun Heo
2011-11-11 16:49 ` Pavel Emelyanov
2011-11-11 17:02 ` Tejun Heo
2011-11-11 17:13 ` Pavel Emelyanov
2011-11-13 19:28 ` Oleg Nesterov
2011-11-14 10:28 ` Pavel Emelyanov
2011-11-11 16:17 ` Pavel Emelyanov
2011-11-11 16:48 ` Oleg Nesterov
2011-11-11 16:39 ` Oleg Nesterov
2011-11-11 16:55 ` Pavel Emelyanov
2011-11-13 18:59 ` Oleg Nesterov
-- strict thread matches above, loose matches on Subject: below --
2011-11-17 11:41 [RFC][PATCH 0/3] fork: Add the ability to create " Pavel Emelyanov
2011-11-17 11:43 ` [PATCH 3/3] pids: Make it possible to clone " Pavel Emelyanov
2011-11-17 15:32 ` Oleg Nesterov
2011-11-17 15:49 ` Pavel Emelyanov
2011-11-17 16:00 ` Oleg Nesterov
2011-11-17 17:28 ` Linus Torvalds
2011-11-17 19:04 ` Oleg Nesterov
2011-11-17 18:36 ` Oleg Nesterov
2011-11-18 10:05 ` Pavel Emelyanov
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