navail           1681 drivers/net/ppp/ppp_generic.c 	int navail, nfree, nzero;
navail           1693 drivers/net/ppp/ppp_generic.c 	navail = 0; /* total # of usable channels (not deregistered) */
navail           1704 drivers/net/ppp/ppp_generic.c 			navail++;
navail           1731 drivers/net/ppp/ppp_generic.c 	if (nfree == 0 || nfree < navail / 2)
navail           1794 drivers/net/ppp/ppp_generic.c 			if (--navail == 0)