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From: Dave Hansen <hansendc@us.ibm.com>
To: "Serge E. Hallyn" <serue@us.ibm.com>
Cc: Paul Menage <menage@google.com>,
	ckrm-tech@lists.sourceforge.net, linux-kernel@vger.kernel.org,
	xemul@sw.ru, pj@sgi.com, ebiederm@xmission.com,
	winget@google.com, containers@lists.osdl.org,
	akpm@linux-foundation.org
Subject: Re: [PATCH 0/2] resource control file system - aka containers on top of nsproxy!
Date: Wed, 07 Mar 2007 14:13:46 -0800	[thread overview]
Message-ID: <1173305626.868.10.camel@localhost.localdomain> (raw)
In-Reply-To: <20070307215919.GA2110@sergelap.austin.ibm.com>

On Wed, 2007-03-07 at 15:59 -0600, Serge E. Hallyn wrote:
> Space saving was the only reason for nsproxy to exist.
> 
> Now of course it also provides the teensiest reduction in # instructions
> since every clone results in just one reference count inc for the
> nsproxy rather than one for each namespace. 

If we have 7 or 8 namespaces, then it can save us a significant number
of atomic instructions on _each_ of the refcounts, plus touching all of
the cachelines, etc...

-- Dave


  reply	other threads:[~2007-03-07 22:13 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 ` [PATCH 0/2] resource control file system - aka containers on top of nsproxy! Paul Jackson
2007-03-02 15:45   ` 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 [this message]
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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