Symbol: atomic_dec_and_mutex_lock
sys/dev/pci/drm/drm_file.c
534
if (atomic_dec_and_mutex_lock(&dev->open_count, &drm_global_mutex)) {
sys/dev/pci/drm/include/linux/mutex.h
49
int atomic_dec_and_mutex_lock(volatile int *, struct rwlock *);