Defined in 4 files as a macro:

• include/uapi/linux/netfilter/nfnetlink_hook.h, line 30 (as a macro)
• kernel/time/ntp.c, line 30 (as a macro)
• net/ax25/ax25_out.c, line 28 (as a macro)
• sound/soc/intel/boards/bytcr_rt5640.c, line 30 (as a macro)

Referenced in 6 files:

• include/uapi/linux/tc_act/tc_defact.h, line 288
• include/xen/interface/io/protocols.h, line 289
• lib/ratelimit.c, line 289
• net/ax25/ax25_ip.c, line 289
• sound/soc/intel/boards/bytcht_es8316.c, line 289
• sound/soc/intel/boards/sof_rt5682.c, line 289