hb_waiters_inc   1883 kernel/futex.c 		hb_waiters_inc(hb2);
hb_waiters_inc   2088 kernel/futex.c 	hb_waiters_inc(hb2);
hb_waiters_inc   2330 kernel/futex.c 	hb_waiters_inc(hb); /* implies smp_mb(); (A) */