ROOM_POW_OFF     1239 net/packet/af_packet.c 		if (avail > (rcvbuf >> ROOM_POW_OFF))
ROOM_POW_OFF     1248 net/packet/af_packet.c 		if (__tpacket_v3_has_room(po, ROOM_POW_OFF))
ROOM_POW_OFF     1253 net/packet/af_packet.c 		if (__tpacket_has_room(po, ROOM_POW_OFF))