Defined in 2 files as a macro:

• include/uapi/linux/vm_sockets.h, line 213 (as a macro)
• tools/testing/vsock/msg_zerocopy_common.h, line 12 (as a macro)

Referenced in 3 files:

• net/vmw_vsock/af_vsock.c, line 2548
• tools/testing/vsock/msg_zerocopy_common.c, line 45
• tools/testing/vsock/msg_zerocopy_common.h, line 11