Defined in 4 files as a macro:

• include/uapi/linux/netfilter/nfnetlink_hook.h, line 39 (as a macro)
• kernel/time/ntp.c, line 39 (as a macro)
• net/ax25/ax25_out.c, line 37 (as a macro)
• tools/perf/tests/shell/test_intel_pt.sh, line 37 (as a macro)

Referenced in 8 files:

• drivers/gpu/drm/amd/display/dmub/inc/dmub_cmd.h, line 327
• include/uapi/linux/tc_act/tc_defact.h, line 326
• include/xen/interface/io/protocols.h, line 327
• lib/ratelimit.c, line 327
• net/ax25/ax25_ip.c, line 327
• sound/soc/intel/boards/bytcht_es8316.c, line 327
• sound/soc/intel/boards/sof_rt5682.c, line 327
• tools/perf/tests/shell/test_brstack.sh, line 327