Defined in 4 files as a macro:

• include/linux/socket.h, line 299 (as a macro)
• tools/testing/selftests/net/msg_zerocopy.c, line 74 (as a macro)
• tools/testing/selftests/net/tcp_mmap.c, line 71 (as a macro)
• tools/testing/selftests/net/udpgso_bench_tx.c, line 47 (as a macro)

Referenced in 7 files:

• net/ipv4/ip_output.c, line 1014
• net/ipv4/tcp.c, line 1193
• net/ipv6/ip6_output.c, line 1403
• net/rds/send.c
  • line 959
  • line 1118
  • line 1132
• tools/testing/selftests/net/msg_zerocopy.c
  • line 73
  • line 196
• tools/testing/selftests/net/tcp_mmap.c
  • line 70
  • line 425
• tools/testing/selftests/net/udpgso_bench_tx.c
  • line 46
  • line 263
  • line 283
  • line 355
  • line 404