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authorLinus Torvalds <torvalds@linux-foundation.org>2012-03-20 18:11:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-20 18:11:21 -0700
commit0d9cabdccedb79ee5f27b77ff51f29a9e7d23275 (patch)
tree8bfb64c3672d058eb90aec3c3a9c4f61cef9097c /kernel/events
parent701085b219016d38f105b031381b9cee6200253a (diff)
parent3ce3230a0cff484e5130153f244d4fb8a56b3a8b (diff)
Merge branch 'for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup changes from Tejun Heo: "Out of the 8 commits, one fixes a long-standing locking issue around tasklist walking and others are cleanups." * 'for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: Walk task list under tasklist_lock in cgroup_enable_task_cg_list cgroup: Remove wrong comment on cgroup_enable_task_cg_list() cgroup: remove cgroup_subsys argument from callbacks cgroup: remove extra calls to find_existing_css_set cgroup: replace tasklist_lock with rcu_read_lock cgroup: simplify double-check locking in cgroup_attach_proc cgroup: move struct cgroup_pidlist out from the header file cgroup: remove cgroup_attach_task_current_cg()
Diffstat (limited to 'kernel/events')
-rw-r--r--kernel/events/core.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index c61234b1a98..4b50357914f 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -7147,8 +7147,7 @@ unlock:
device_initcall(perf_event_sysfs_init);
#ifdef CONFIG_CGROUP_PERF
-static struct cgroup_subsys_state *perf_cgroup_create(
- struct cgroup_subsys *ss, struct cgroup *cont)
+static struct cgroup_subsys_state *perf_cgroup_create(struct cgroup *cont)
{
struct perf_cgroup *jc;
@@ -7165,8 +7164,7 @@ static struct cgroup_subsys_state *perf_cgroup_create(
return &jc->css;
}
-static void perf_cgroup_destroy(struct cgroup_subsys *ss,
- struct cgroup *cont)
+static void perf_cgroup_destroy(struct cgroup *cont)
{
struct perf_cgroup *jc;
jc = container_of(cgroup_subsys_state(cont, perf_subsys_id),
@@ -7182,8 +7180,7 @@ static int __perf_cgroup_move(void *info)
return 0;
}
-static void perf_cgroup_attach(struct cgroup_subsys *ss, struct cgroup *cgrp,
- struct cgroup_taskset *tset)
+static void perf_cgroup_attach(struct cgroup *cgrp, struct cgroup_taskset *tset)
{
struct task_struct *task;
@@ -7191,8 +7188,8 @@ static void perf_cgroup_attach(struct cgroup_subsys *ss, struct cgroup *cgrp,
task_function_call(task, __perf_cgroup_move, task);
}
-static void perf_cgroup_exit(struct cgroup_subsys *ss, struct cgroup *cgrp,
- struct cgroup *old_cgrp, struct task_struct *task)
+static void perf_cgroup_exit(struct cgroup *cgrp, struct cgroup *old_cgrp,
+ struct task_struct *task)
{
/*
* cgroup_exit() is called in the copy_process() failure path.