diff options
Diffstat (limited to 'kernel/cgroup/cgroup.c')
-rw-r--r-- | kernel/cgroup/cgroup.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 2319946715e0..15cc26513596 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -248,6 +248,12 @@ static int cgroup_addrm_files(struct cgroup_subsys_state *css, struct cgroup *cgrp, struct cftype cfts[], bool is_add); +#ifdef CONFIG_DEBUG_CGROUP_REF +#define CGROUP_REF_FN_ATTRS noinline +#define CGROUP_REF_EXPORT(fn) EXPORT_SYMBOL_GPL(fn); +#include <linux/cgroup_refcnt.h> +#endif + /** * cgroup_ssid_enabled - cgroup subsys enabled test by subsys ID * @ssid: subsys ID of interest @@ -2860,14 +2866,12 @@ int cgroup_migrate(struct task_struct *leader, bool threadgroup, * take an rcu_read_lock. */ spin_lock_irq(&css_set_lock); - rcu_read_lock(); task = leader; do { cgroup_migrate_add_task(task, mgctx); if (!threadgroup) break; } while_each_thread(leader, task); - rcu_read_unlock(); spin_unlock_irq(&css_set_lock); return cgroup_migrate_execute(mgctx); |