The patch titled
cgroups: document the effect of attaching PID 0 to a cgroup
has been added to the -mm tree. Its filename is
cgroups-document-the-effect-of-attaching-pid-0-to-a-cgroup.patch
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------------------------------------------------------
Subject: cgroups: document the effect of attaching PID 0 to a cgroup
From: Li Zefan <lizf@xxxxxxxxxxxxxx>
Document that a pid of zero(0) can be used to refer to the current task
when attaching a task to a cgroup, as in the following usage:
# echo 0 > /dev/cgroup/tasks
This is consistent with existing cpuset behavior.
Signed-off-by: Li Zefan <lizf@xxxxxxxxxxxxxx>
Acked-by: Paul Jackson <pj@xxxxxxx>
Acked-by: Dhaval Giani <dhaval@xxxxxxxxxxxxxxxxxx>
Cc: Paul Menage <menage@xxxxxxxxxx>
Cc: Balbir Singh <balbir@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/cgroups.txt | 4 ++++
1 file changed, 4 insertions(+)
diff -puN Documentation/cgroups.txt~cgroups-document-the-effect-of-attaching-pid-0-to-a-cgroup Documentation/cgroups.txt
--- a/Documentation/cgroups.txt~cgroups-document-the-effect-of-attaching-pid-0-to-a-cgroup
+++ a/Documentation/cgroups.txt
@@ -390,6 +390,10 @@ If you have several tasks to attach, you
...
# /bin/echo PIDn > tasks
+You can attach the current task by echoing 0:
+
+# /bin/echo 0 > tasks
+
3. Kernel API
=============
_
Patches currently in -mm which might be from lizf@xxxxxxxxxxxxxx are
cgroups-document-the-effect-of-attaching-pid-0-to-a-cgroup.patch
call_usermodehelper-increase-reliability.patch
rtc-push-the-bkl-down-into-the-driver-ioctl-method-fix.patch
ext3-kill-2-useless-magic-numbers.patch
cgroup-use-read-lock-to-guard-find_existing_css_set.patch
cgroup-list_for_each-cleanup-v2.patch
cgroup-anotate-two-variables-with-__read_mostly.patch
memcg-avoid-unnecessary-initialization.patch
memcg-better-migration-handling.patch
memcg-remove-refcnt-from-page_cgroup.patch
memcg-remove-refcnt-from-page_cgroup-fix.patch
memcg-remove-refcnt-from-page_cgroup-fix-2.patch
memcg-remove-refcnt-from-page_cgroup-fix-memcg-fix-mem_cgroup_end_migration-race.patch
memcg-handle-swap-cache.patch
memcg-handle-swap-cache-fix.patch
memcg-handle-swap-cache-fix-shmem-page-migration-incorrectness-on-memcgroup.patch
memcg-helper-function-for-relcaim-from-shmem.patch
memcg-add-hints-for-branch.patch
memcg-remove-a-redundant-check.patch
memcg-clean-up-checking-of-the-disabled-flag.patch
memrlimit-add-memrlimit-controller-documentation.patch
memrlimit-setup-the-memrlimit-controller.patch
memrlimit-cgroup-mm-owner-callback-changes-to-add-task-info.patch
memrlimit-add-memrlimit-controller-accounting-and-control.patch
memrlimit-improve-error-handling.patch
memrlimit-handle-attach_task-failure-add-can_attach-callback.patch
cpusets-update-tasks-cpus_allowed-and-mems_allowed-after-cpu-node-offline-online.patch
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