bit_spin_trylock  323 include/linux/jbd.h 	return bit_spin_trylock(BH_State, &bh->b_state);
bit_spin_trylock  361 include/linux/jbd2.h 	return bit_spin_trylock(BH_State, &bh->b_state);
bit_spin_trylock  288 mm/memcontrol.c 	return bit_spin_trylock(PAGE_CGROUP_LOCK_BIT, &page->page_cgroup);
bit_spin_trylock 1219 mm/slub.c      	rc = bit_spin_trylock(PG_locked, &page->flags);