Symbol: ROOM_POW_OFF
net/packet/af_packet.c
1280
if (avail > (rcvbuf >> ROOM_POW_OFF))
net/packet/af_packet.c
1289
if (__tpacket_v3_has_room(po, ROOM_POW_OFF))
net/packet/af_packet.c
1294
if (__tpacket_has_room(po, ROOM_POW_OFF))