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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/sched
parent701085b219016d38f105b031381b9cee6200253a (diff)
parent3ce3230a0cff484e5130153f244d4fb8a56b3a8b (diff)
downloadop-kernel-dev-0d9cabdccedb79ee5f27b77ff51f29a9e7d23275.zip
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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/sched')
-rw-r--r--kernel/sched/core.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index d2bd464..a35cb8db 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -7571,8 +7571,7 @@ static inline struct task_group *cgroup_tg(struct cgroup *cgrp)
struct task_group, css);
}
-static struct cgroup_subsys_state *
-cpu_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cgrp)
+static struct cgroup_subsys_state *cpu_cgroup_create(struct cgroup *cgrp)
{
struct task_group *tg, *parent;
@@ -7589,15 +7588,14 @@ cpu_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cgrp)
return &tg->css;
}
-static void
-cpu_cgroup_destroy(struct cgroup_subsys *ss, struct cgroup *cgrp)
+static void cpu_cgroup_destroy(struct cgroup *cgrp)
{
struct task_group *tg = cgroup_tg(cgrp);
sched_destroy_group(tg);
}
-static int cpu_cgroup_can_attach(struct cgroup_subsys *ss, struct cgroup *cgrp,
+static int cpu_cgroup_can_attach(struct cgroup *cgrp,
struct cgroup_taskset *tset)
{
struct task_struct *task;
@@ -7615,7 +7613,7 @@ static int cpu_cgroup_can_attach(struct cgroup_subsys *ss, struct cgroup *cgrp,
return 0;
}
-static void cpu_cgroup_attach(struct cgroup_subsys *ss, struct cgroup *cgrp,
+static void cpu_cgroup_attach(struct cgroup *cgrp,
struct cgroup_taskset *tset)
{
struct task_struct *task;
@@ -7625,8 +7623,8 @@ static void cpu_cgroup_attach(struct cgroup_subsys *ss, struct cgroup *cgrp,
}
static void
-cpu_cgroup_exit(struct cgroup_subsys *ss, struct cgroup *cgrp,
- struct cgroup *old_cgrp, struct task_struct *task)
+cpu_cgroup_exit(struct cgroup *cgrp, struct cgroup *old_cgrp,
+ struct task_struct *task)
{
/*
* cgroup_exit() is called in the copy_process() failure path.
@@ -7976,8 +7974,7 @@ struct cgroup_subsys cpu_cgroup_subsys = {
*/
/* create a new cpu accounting group */
-static struct cgroup_subsys_state *cpuacct_create(
- struct cgroup_subsys *ss, struct cgroup *cgrp)
+static struct cgroup_subsys_state *cpuacct_create(struct cgroup *cgrp)
{
struct cpuacct *ca;
@@ -8007,8 +8004,7 @@ out:
}
/* destroy an existing cpu accounting group */
-static void
-cpuacct_destroy(struct cgroup_subsys *ss, struct cgroup *cgrp)
+static void cpuacct_destroy(struct cgroup *cgrp)
{
struct cpuacct *ca = cgroup_ca(cgrp);
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