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From: Paul Jackson <pj@sgi.com>
To: vatsa@in.ibm.com
Cc: menage@google.com, ebiederm@xmission.com, sam@vilain.net,
	akpm@linux-foundation.org, dev@sw.ru, xemul@sw.ru,
	serue@us.ibm.com, containers@lists.osdl.org, winget@google.com,
	ckrm-tech@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] resource control file system - aka containers on top of nsproxy!
Date: Thu, 1 Mar 2007 11:39:00 -0800	[thread overview]
Message-ID: <20070301113900.a7dace47.pj@sgi.com> (raw)
In-Reply-To: <20070301133543.GK15509@in.ibm.com>

vatsa wrote:
> I suspect we can make cpusets also work
> on top of this very easily.

I'm skeptical, and kinda worried.

... can you show me the code that does this?

Namespaces are not the same thing as actual resources
(memory, cpu cycles, ...).  Namespaces are fluid mappings;
Resources are scarce commodities.

I'm wagering you'll break either the semantics, and/or the
performance, of cpusets doing this.

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@sgi.com> 1.925.600.0401

  parent reply	other threads:[~2007-03-01 19:39 UTC|newest]

Thread overview: 125+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-01 13:35 [PATCH 0/2] resource control file system - aka containers on top of nsproxy! Srivatsa Vaddagiri
2007-03-01 13:45 ` [PATCH 1/2] rcfs core patch Srivatsa Vaddagiri
2007-03-01 16:31   ` Serge E. Hallyn
2007-03-01 16:46     ` Srivatsa Vaddagiri
2007-03-02  5:06   ` [ckrm-tech] " Balbir Singh
2007-03-03  9:38     ` Srivatsa Vaddagiri
2007-03-08  3:12   ` Eric W. Biederman
2007-03-08  9:10     ` Paul Menage
2007-03-09  0:38       ` Herbert Poetzl
2007-03-09  9:07         ` Kirill Korotaev
2007-03-09 13:29           ` Herbert Poetzl
2007-03-09 17:57         ` Srivatsa Vaddagiri
2007-03-10  1:19           ` Herbert Poetzl
2007-03-11 16:36             ` Serge E. Hallyn
2007-03-12 23:16               ` Herbert Poetzl
2007-03-08 10:13     ` Srivatsa Vaddagiri
2007-03-09  0:48       ` Herbert Poetzl
2007-03-09  2:35         ` Paul Jackson
2007-03-09  9:23         ` Kirill Korotaev
2007-03-09  9:38           ` Paul Jackson
2007-03-09 13:21           ` Herbert Poetzl
2007-03-11 17:09             ` Kirill Korotaev
2007-03-12 23:00               ` Herbert Poetzl
2007-03-13  8:28                 ` Kirill Korotaev
2007-03-13 13:55                   ` Herbert Poetzl
2007-03-13 14:11                     ` [ckrm-tech] " Srivatsa Vaddagiri
2007-03-13 15:52                       ` Herbert Poetzl
2007-03-09 18:14         ` Srivatsa Vaddagiri
2007-03-09 19:25           ` Paul Jackson
2007-03-10  1:00             ` Herbert Poetzl
2007-03-10  1:31               ` Paul Jackson
2007-03-10  0:56           ` Herbert Poetzl
2007-03-09 16:16       ` Serge E. Hallyn
2007-03-01 13:50 ` [PATCH 2/2] cpu_accounting controller Srivatsa Vaddagiri
2007-03-01 19:39 ` Paul Jackson [this message]
2007-03-02 15:45   ` [PATCH 0/2] resource control file system - aka containers on top of nsproxy! Kirill Korotaev
2007-03-02 16:52     ` Andrew Morton
2007-03-02 17:25       ` Kirill Korotaev
2007-03-03 17:45     ` Herbert Poetzl
2007-03-03 21:22       ` Paul Jackson
2007-03-05 17:47         ` Srivatsa Vaddagiri
2007-03-03  9:36   ` Srivatsa Vaddagiri
2007-03-03 10:21     ` Paul Jackson
2007-03-05 17:02       ` Srivatsa Vaddagiri
2007-03-03 17:32     ` Herbert Poetzl
2007-03-05 17:34       ` [ckrm-tech] " Srivatsa Vaddagiri
2007-03-05 18:39         ` Herbert Poetzl
2007-03-06 10:39           ` Srivatsa Vaddagiri
2007-03-06 13:28             ` Herbert Poetzl
2007-03-06 16:21               ` Srivatsa Vaddagiri
2007-03-07  2:32 ` Paul Menage
2007-03-07 17:30   ` Srivatsa Vaddagiri
2007-03-07 17:29     ` Paul Menage
2007-03-07 17:52       ` [ckrm-tech] " Srivatsa Vaddagiri
2007-03-07 17:32     ` Srivatsa Vaddagiri
2007-03-07 17:43     ` Serge E. Hallyn
2007-03-07 17:46       ` Paul Menage
2007-03-07 23:16         ` Eric W. Biederman
2007-03-08 11:39           ` Srivatsa Vaddagiri
2007-03-07 18:00       ` Srivatsa Vaddagiri
2007-03-07 20:58         ` Serge E. Hallyn
2007-03-07 21:20           ` Paul Menage
2007-03-07 21:59             ` Serge E. Hallyn
2007-03-07 22:13               ` Dave Hansen
2007-03-07 23:13                 ` Eric W. Biederman
2007-03-12 14:11               ` [ckrm-tech] " Srivatsa Vaddagiri
2007-03-07 22:32             ` Eric W. Biederman
2007-03-07 23:18               ` Paul Menage
2007-03-08  0:35                 ` Sam Vilain
2007-03-08  0:42                   ` Paul Menage
2007-03-08  0:53                     ` Sam Vilain
2007-03-08  0:58                       ` [ckrm-tech] " Paul Menage
2007-03-08  1:32                         ` Eric W. Biederman
2007-03-08  1:35                           ` Paul Menage
2007-03-08  2:25                             ` Eric W. Biederman
2007-03-09  0:56                             ` Herbert Poetzl
2007-03-09  0:53                           ` Herbert Poetzl
2007-03-09 18:19                             ` Srivatsa Vaddagiri
2007-03-09 19:36                               ` Paul Jackson
2007-03-09 21:52                               ` Herbert Poetzl
2007-03-09 22:06                                 ` Paul Jackson
2007-03-12 14:01                                   ` Srivatsa Vaddagiri
2007-03-12 15:15                                     ` Srivatsa Vaddagiri
2007-03-12 20:26                                     ` Paul Jackson
2007-03-09  4:30                           ` Paul Jackson
2007-03-08  2:47                         ` Sam Vilain
2007-03-08  2:57                           ` Paul Menage
2007-03-08  3:32                             ` Sam Vilain
2007-03-08  6:10                               ` Matt Helsley
2007-03-08  6:44                                 ` Eric W. Biederman
2007-03-09  1:06                                   ` Herbert Poetzl
2007-03-10  9:06                                     ` Sam Vilain
2007-03-11 21:15                                       ` Paul Jackson
2007-03-12  9:35                                         ` Sam Vilain
2007-03-12 10:00                                         ` Paul Menage
2007-03-12 23:21                                           ` Herbert Poetzl
2007-03-13  2:25                                             ` Paul Menage
2007-03-13 15:57                                               ` Herbert Poetzl
2007-03-09  4:37                                 ` Paul Jackson
2007-03-08  6:32                               ` Eric W. Biederman
2007-03-08  9:10                               ` Paul Menage
2007-03-09 16:50                                 ` Serge E. Hallyn
2007-03-22 14:08                                   ` Srivatsa Vaddagiri
2007-03-22 14:39                                     ` Serge E. Hallyn
2007-03-22 14:56                                       ` Srivatsa Vaddagiri
2007-03-09  4:27                       ` Paul Jackson
2007-03-10  8:52                         ` Sam Vilain
2007-03-10  9:11                           ` Paul Jackson
2007-03-09 16:34             ` Srivatsa Vaddagiri
2007-03-09 16:41               ` [ckrm-tech] " Srivatsa Vaddagiri
2007-03-09 22:09               ` Paul Menage
2007-03-10  2:02                 ` Srivatsa Vaddagiri
2007-03-10  3:19                   ` [ckrm-tech] " Srivatsa Vaddagiri
2007-03-12 15:07                 ` Srivatsa Vaddagiri
2007-03-12 15:56                   ` Serge E. Hallyn
2007-03-12 16:20                     ` Srivatsa Vaddagiri
2007-03-12 17:25                       ` Serge E. Hallyn
2007-03-12 21:15                       ` Sam Vilain
2007-03-12 23:31                       ` Herbert Poetzl
2007-03-13  2:22                         ` Srivatsa Vaddagiri
2007-03-08  0:50     ` Sam Vilain
2007-03-08 11:30       ` Srivatsa Vaddagiri
2007-03-09  1:16         ` Herbert Poetzl
2007-03-09 18:41           ` Srivatsa Vaddagiri
2007-03-10  2:03             ` Herbert Poetzl

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