pcpu_drain_mutex  106 mm/page_alloc.c DEFINE_MUTEX(pcpu_drain_mutex);
pcpu_drain_mutex 2911 mm/page_alloc.c 	if (unlikely(!mutex_trylock(&pcpu_drain_mutex))) {
pcpu_drain_mutex 2914 mm/page_alloc.c 		mutex_lock(&pcpu_drain_mutex);
pcpu_drain_mutex 2958 mm/page_alloc.c 	mutex_unlock(&pcpu_drain_mutex);