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authorTejun Heo <tj@kernel.org>2011-12-13 06:12:22 +0400
committerTejun Heo <tj@kernel.org>2011-12-13 06:12:22 +0400
commit494c167cf76d02000adf740c215adc69a824ecc9 (patch)
treebf7cdf462b62ebf099b965f7bea503df30918c17 /Documentation/cgroups/cgroups.txt
parent94196f51c1ee5bbad674de28c682b17d78adb8e6 (diff)
downloadlinux-494c167cf76d02000adf740c215adc69a824ecc9.tar.xz
cgroup: kill subsys->can_attach_task(), pre_attach() and attach_task()
These three methods are no longer used. Kill them. Signed-off-by: Tejun Heo <tj@kernel.org> Reviewed-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Reviewed-by: Frederic Weisbecker <fweisbec@gmail.com> Acked-by: Paul Menage <paul@paulmenage.org> Cc: Li Zefan <lizf@cn.fujitsu.com>
Diffstat (limited to 'Documentation/cgroups/cgroups.txt')
-rw-r--r--Documentation/cgroups/cgroups.txt20
1 files changed, 0 insertions, 20 deletions
diff --git a/Documentation/cgroups/cgroups.txt b/Documentation/cgroups/cgroups.txt
index 8a2f302327fa..a7c96ae5557c 100644
--- a/Documentation/cgroups/cgroups.txt
+++ b/Documentation/cgroups/cgroups.txt
@@ -615,13 +615,6 @@ fork. If this method returns 0 (success) then this should remain valid
while the caller holds cgroup_mutex and it is ensured that either
attach() or cancel_attach() will be called in future.
-int can_attach_task(struct cgroup *cgrp, struct task_struct *tsk);
-(cgroup_mutex held by caller)
-
-As can_attach, but for operations that must be run once per task to be
-attached (possibly many when using cgroup_attach_proc). Called after
-can_attach.
-
void cancel_attach(struct cgroup_subsys *ss, struct cgroup *cgrp,
struct cgroup_taskset *tset)
(cgroup_mutex held by caller)
@@ -632,12 +625,6 @@ function, so that the subsystem can implement a rollback. If not, not necessary.
This will be called only about subsystems whose can_attach() operation have
succeeded. The parameters are identical to can_attach().
-void pre_attach(struct cgroup *cgrp);
-(cgroup_mutex held by caller)
-
-For any non-per-thread attachment work that needs to happen before
-attach_task. Needed by cpuset.
-
void attach(struct cgroup_subsys *ss, struct cgroup *cgrp,
struct cgroup_taskset *tset)
(cgroup_mutex held by caller)
@@ -646,13 +633,6 @@ Called after the task has been attached to the cgroup, to allow any
post-attachment activity that requires memory allocations or blocking.
The parameters are identical to can_attach().
-void attach_task(struct cgroup *cgrp, struct task_struct *tsk);
-(cgroup_mutex held by caller)
-
-As attach, but for operations that must be run once per task to be attached,
-like can_attach_task. Called before attach. Currently does not support any
-subsystem that might need the old_cgrp for every thread in the group.
-
void fork(struct cgroup_subsy *ss, struct task_struct *task)
Called when a task is forked into a cgroup.