diff options
Diffstat (limited to 'kernel/cgroup.c')
| -rw-r--r-- | kernel/cgroup.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 918658497625..867384369669 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -206,6 +206,7 @@ static u64 css_serial_nr_next = 1; */ static unsigned long have_fork_callback __read_mostly; static unsigned long have_exit_callback __read_mostly; +static unsigned long have_free_callback __read_mostly; /* Ditto for the can_fork callback. */ static unsigned long have_canfork_callback __read_mostly; @@ -5180,6 +5181,7 @@ static void __init cgroup_init_subsys(struct cgroup_subsys *ss, bool early) have_fork_callback |= (bool)ss->fork << ss->id; have_exit_callback |= (bool)ss->exit << ss->id; + have_free_callback |= (bool)ss->free << ss->id; have_canfork_callback |= (bool)ss->can_fork << ss->id; /* At system boot, before all subsystems have been @@ -5637,6 +5639,11 @@ void cgroup_exit(struct task_struct *tsk) void cgroup_free(struct task_struct *task) { struct css_set *cset = task_css_set(task); + struct cgroup_subsys *ss; + int ssid; + + for_each_subsys_which(ss, ssid, &have_free_callback) + ss->free(task); put_css_set(cset); } |