Function knote_alloc

freebsd/kern/kern_event.c:2698–2703

SYSINIT(knote, SI_SUB_PSEUDO, SI_ORDER_ANY, knote_init, NULL);

static struct knote *
knote_alloc(int mflag)
{

	return (uma_zalloc(knote_zone, mflag | M_ZERO));
}

static void
knote_free(struct knote *kn)