From: Paul Menage <menage@google.com>
To: akpm@linuxfoundation.org, balbir@linux.vnet.ibm.com,
"Serge E. Hallyn" <serue@us.ibm.com>,
Cedric Le Goater <clg@fr.ibm.com>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Pavel
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
pj@sgi.com, containers@lists.osdl.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 02/33] task containersv11 basic task container framework fix
Date: Mon, 17 Sep 2007 14:03:09 -0700 [thread overview]
Message-ID: <20070917210426.415625000@menage.corp.google.com> (raw)
In-Reply-To: 20070917210307.116234000@menage.corp.google.com
[-- Attachment #1: task-containersv11-basic-task-container-framework-fix.patch --]
[-- Type: text/plain, Size: 643 bytes --]
Handle reading /proc/self/cpuset when cpusets isn't mounted.
Signed-off-by: Paul Menage <menage@google.com>
---
kernel/cgroup.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff -puN kernel/cgroup.c~task-cgroupsv11-basic-task-cgroup-framework-fix kernel/cgroup.c
--- a/kernel/cgroup.c~task-cgroupsv11-basic-task-cgroup-framework-fix
+++ a/kernel/cgroup.c
@@ -683,6 +683,15 @@ int cgroup_path(const struct containe
{
char *start;
+ if (cont == dummytop) {
+ /*
+ * Inactive subsystems have no dentry for their root
+ * cgroup
+ */
+ strcpy(buf, "/");
+ return 0;
+ }
+
start = buf + buflen;
*--start = '\0';
_
--
next prev parent reply other threads:[~2007-09-17 21:03 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-17 21:03 [PATCH 00/33] Rename "Task Containers" to "Control Groups" Paul Menage
2007-09-17 21:03 ` [PATCH 01/33] task containersv11 basic task container framework Paul Menage
2007-09-17 21:03 ` Paul Menage [this message]
2007-09-17 21:03 ` [PATCH 03/33] task containersv11 add tasks file interface Paul Menage
2007-10-03 8:09 ` Paul Jackson
2007-10-03 15:16 ` Paul Menage
2007-10-03 17:51 ` Paul Jackson
2007-10-03 18:15 ` Paul Menage
2007-10-04 2:46 ` Paul Jackson
2007-10-04 2:53 ` Paul Menage
2007-10-04 2:55 ` Paul Jackson
2007-09-17 21:03 ` [PATCH 04/33] task containersv11 add fork exit hooks Paul Menage
2007-09-17 21:03 ` [PATCH 05/33] task containersv11 add container_clone interface Paul Menage
2007-09-17 21:03 ` [PATCH 06/33] task containersv11 add procfs interface Paul Menage
2007-09-17 21:03 ` [PATCH 07/33] task containersv11 shared container subsystem group arrays Paul Menage
2007-09-17 21:03 ` [PATCH 08/33] task containersv11 shared container subsystem group arrays avoid lockdep warning Paul Menage
2007-09-17 21:03 ` [PATCH 09/33] task containersv11 shared container subsystem group arrays include fix Paul Menage
2007-09-17 21:03 ` [PATCH 10/33] task containersv11 automatic userspace notification of idle containers Paul Menage
2007-09-17 21:03 ` [PATCH 11/33] task containersv11 make cpusets a client of containers Paul Menage
2007-10-04 9:53 ` Paul Jackson
2007-10-04 15:16 ` Paul Menage
2007-10-04 17:31 ` Paul Jackson
[not found] ` <6599ad830710040816p63108ab1vb8547b9600b9e659-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-10-04 17:32 ` Paul Jackson
2007-09-17 21:03 ` [PATCH 12/33] task containersv11 example cpu accounting subsystem Paul Menage
2007-09-17 21:03 ` [PATCH 13/33] task containersv11 simple task container debug info subsystem Paul Menage
2007-09-17 21:03 ` [PATCH 14/33] task-containersv11-basic-task-container-framework-containers-fix-refcount-bug Paul Menage
2007-09-17 21:03 ` [PATCH 15/33] task-containersv11-add-container_clone-interface-cgroups-fix-refcount-bug Paul Menage
2007-09-17 21:03 ` [PATCH 16/33] add containerstats v3 Paul Menage
2007-09-17 21:03 ` [PATCH 17/33] add containerstats v3 fix Paul Menage
2007-09-17 21:03 ` [PATCH 18/33] containers implement namespace tracking subsystem Paul Menage
2007-09-17 21:03 ` [PATCH 19/33] containers implement namespace tracking subsystem fix order of container subsystems in init kconfig Paul Menage
2007-09-17 21:03 ` [PATCH 20/33] memory controller add documentation Paul Menage
[not found] ` <20070917210429.361229000-B63HFAS8fGlSzHKm+aFRNNkmqwFzkYv6@public.gmane.org>
2007-09-18 16:53 ` Randy Dunlap
2007-09-17 21:03 ` [PATCH 21/33] memory controller resource counters v7 Paul Menage
2007-09-17 21:03 ` [PATCH 22/33] memory controller resource counters v7 fix Paul Menage
2007-09-17 21:03 ` [PATCH 23/33] memory controller containers setup v7 Paul Menage
2007-09-17 21:03 ` [PATCH 24/33] memory controller accounting " Paul Menage
2007-09-17 21:03 ` [PATCH 25/33] memory controller memory accounting v7 Paul Menage
2007-09-17 21:03 ` [PATCH 26/33] memory controller task migration v7 Paul Menage
2007-09-17 21:03 ` [PATCH 27/33] memory controller add per container lru and reclaim v7 Paul Menage
2007-09-17 21:03 ` [PATCH 28/33] memory controller add per container lru and reclaim v7 fix Paul Menage
2007-09-17 21:03 ` [PATCH 29/33] memory controller oom handling v7 Paul Menage
2007-09-17 21:03 ` [PATCH 30/33] memory controller add switch to control what type of pages to limit v7 Paul Menage
2007-09-17 21:03 ` [PATCH 31/33] memory controller make page_referenced container aware v7 Paul Menage
2007-09-17 21:03 ` [PATCH 32/33] memory-controller-improve-user-interface Paul Menage
2007-09-17 21:03 ` [PATCH 33/33] memory-controller-make-charging-gfp-mask-aware Paul Menage
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