From: Alexey Dobriyan <adobriyan@gmail.com>
To: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, Oren Laadan <orenl@cs.columbia.edu>,
serue@us.ibm.com, "Eric W. Biederman" <ebiederm@xmission.com>,
Pavel Emelyanov <xemul@openvz.org>, Andrew Morton <akpm@osdl.org>,
torvalds@linux-foundation.org, mikew@google.com, mingo@elte.hu,
hpa@zytor.com, Nathan Lynch <nathanl@austin.ibm.com>,
arnd@arndb.de, peterz@infradead.org, Louis.Rilling@kerlabs.com,
roland@redhat.com, kosaki.motohiro@jp.fujitsu.com,
randy.dunlap@oracle.com, linux-api@vger.kernel.org,
Containers <containers@lists.linux-foundation.org>,
sukadev@us.ibm.com
Subject: Re: [RFC][v8][PATCH 3/10]: Make pid_max a pid_ns property
Date: Tue, 13 Oct 2009 09:19:53 +0400 [thread overview]
Message-ID: <20091013051953.GA19895@x200> (raw)
In-Reply-To: <20091013045041.GC28435@us.ibm.com>
On Mon, Oct 12, 2009 at 09:50:41PM -0700, Sukadev Bhattiprolu wrote:
> From: Serge Hallyn <serue@us.ibm.com>
> Subject: [RFC][v8][PATCH 3/10]: Make pid_max a pid_ns property
>
> Remove the pid_max global, and make it a property of the
> pid_namespace. When a pid_ns is created, it inherits
> the parent's pid_ns.
>
> Fixing up sysctl (trivial akin to ipc version, but
> potentially tedious to get right for all CONFIG*
> combinations) is left for later.
pid_max is not pid_ns property, it's just sysctl to limit cpu time
during bitmap search. Just like vm.max_map_count limits kernel memory
used by VMAs.
next prev parent reply other threads:[~2009-10-13 5:20 UTC|newest]
Thread overview: 91+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-13 4:49 [RFC][v8][PATCH 0/10] Implement clone3() system call Sukadev Bhattiprolu
2009-10-13 4:49 ` [RFC][v8][PATCH 1/10]: Factor out code to allocate pidmap page Sukadev Bhattiprolu
2009-10-13 4:50 ` [RFC][v8][PATCH 2/10]: Have alloc_pidmap() return actual error code Sukadev Bhattiprolu
2009-10-13 4:50 ` [RFC][v8][PATCH 3/10]: Make pid_max a pid_ns property Sukadev Bhattiprolu
2009-10-13 5:19 ` Alexey Dobriyan [this message]
2009-10-13 13:09 ` Pavel Emelyanov
2009-10-13 15:24 ` Serge E. Hallyn
2009-10-13 16:10 ` Pavel Emelyanov
2009-10-13 16:28 ` Serge E. Hallyn
2009-10-13 4:51 ` [RFC][v8][PATCH 4/10]: Add target_pid parameter to alloc_pidmap() Sukadev Bhattiprolu
2009-10-13 11:50 ` Pavel Emelyanov
2009-10-15 0:24 ` Sukadev Bhattiprolu
2009-10-13 4:51 ` [RFC][v8][PATCH 5/10]: Add target_pids parameter to alloc_pid() Sukadev Bhattiprolu
2009-10-13 4:52 ` [RFC][v8][PATCH 6/10]: Add target_pids parameter to copy_process() Sukadev Bhattiprolu
2009-10-13 4:52 ` [RFC][v8][PATCH 7/10]: Check invalid clone flags Sukadev Bhattiprolu
2009-10-13 18:35 ` Oren Laadan
2009-10-13 23:38 ` Sukadev Bhattiprolu
2009-10-13 4:52 ` [RFC][v8][PATCH 8/10]: Define do_fork_with_pids() Sukadev Bhattiprolu
2009-10-13 4:54 ` [RFC][v8][PATCH 9/10]: Define clone3() syscall Sukadev Bhattiprolu
2009-10-13 18:46 ` Oren Laadan
2009-10-16 4:20 ` Sukadev Bhattiprolu
2009-10-16 6:25 ` Michael Kerrisk
2009-10-16 18:06 ` Sukadev Bhattiprolu
2009-10-19 17:44 ` Matt Helsley
2009-10-19 21:31 ` H. Peter Anvin
2009-10-19 23:50 ` Matt Helsley
2009-10-21 4:26 ` Michael Kerrisk
2009-10-21 13:03 ` H. Peter Anvin
2009-10-21 19:44 ` Sukadev Bhattiprolu
2009-10-21 22:03 ` H. Peter Anvin
2009-10-22 10:40 ` Michael Kerrisk
2009-10-22 18:10 ` Sukadev Bhattiprolu
2009-10-22 10:26 ` Michael Kerrisk
2009-10-22 11:38 ` H. Peter Anvin
2009-10-22 12:14 ` Michael Kerrisk
2009-10-22 12:19 ` H. Peter Anvin
2009-10-22 13:57 ` Matt Helsley
2009-10-13 4:55 ` [RFC][v8][PATCH 10/10]: Document " Sukadev Bhattiprolu
2009-10-14 12:26 ` Arnd Bergmann
2009-10-14 18:39 ` Sukadev Bhattiprolu
2009-10-19 21:36 ` Pavel Machek
2009-10-21 8:37 ` Arnd Bergmann
2009-10-21 9:33 ` Pavel Machek
2009-10-21 13:26 ` Arnd Bergmann
2009-10-21 18:27 ` Sukadev Bhattiprolu
2009-10-13 20:50 ` [RFC][v8][PATCH 0/10] Implement clone3() system call Roland McGrath
2009-10-13 23:27 ` Sukadev Bhattiprolu
2009-10-13 23:53 ` Roland McGrath
2009-10-14 1:13 ` H. Peter Anvin
2009-10-14 4:36 ` Sukadev Bhattiprolu
2009-10-14 4:38 ` H. Peter Anvin
2009-10-14 22:36 ` Sukadev Bhattiprolu
2009-10-14 22:49 ` H. Peter Anvin
2009-10-15 0:17 ` Sukadev Bhattiprolu
2009-10-13 23:49 ` H. Peter Anvin
2009-10-14 1:39 ` Matt Helsley
2009-10-14 2:24 ` H. Peter Anvin
2009-10-14 4:40 ` Sukadev Bhattiprolu
2009-10-14 4:50 ` H. Peter Anvin
2009-10-14 16:07 ` Serge E. Hallyn
2009-10-16 19:22 ` Daniel Lezcano
2009-10-16 19:44 ` Sukadev Bhattiprolu
2009-10-19 20:34 ` Daniel Lezcano
2009-10-19 21:47 ` Oren Laadan
2009-10-20 0:51 ` Matt Helsley
2009-10-20 3:33 ` Eric W. Biederman
2009-10-20 4:03 ` Sukadev Bhattiprolu
2009-10-20 10:46 ` Eric W. Biederman
2009-10-20 14:16 ` Serge E. Hallyn
2009-10-20 18:33 ` Sukadev Bhattiprolu
2009-10-20 19:26 ` Eric W. Biederman
2009-10-20 20:13 ` Oren Laadan
2009-10-21 6:20 ` Sukadev Bhattiprolu
2009-10-21 9:16 ` Eric W. Biederman
2009-10-21 18:52 ` Sukadev Bhattiprolu
2009-10-21 21:11 ` Eric W. Biederman
2009-10-23 0:42 ` Sukadev Bhattiprolu
2009-10-23 1:03 ` Eric W. Biederman
2009-10-23 5:30 ` Sukadev Bhattiprolu
2009-10-23 5:44 ` Eric W. Biederman
2009-10-23 19:21 ` Sukadev Bhattiprolu
2009-10-23 20:48 ` Sukadev Bhattiprolu
2009-10-23 23:26 ` Eric W. Biederman
2009-10-24 3:38 ` Sukadev Bhattiprolu
2009-10-23 19:16 ` Oren Laadan
2009-10-23 19:34 ` Oren Laadan
2009-10-23 23:12 ` Eric W. Biederman
2009-10-20 14:09 ` Serge E. Hallyn
2009-10-21 15:53 ` Daniel Lezcano
2009-10-21 18:45 ` Oren Laadan
2009-10-22 11:22 ` Daniel Lezcano
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