Defined in 3 files as a macro:

• include/asm-i386/processor.h, line 176 (as a macro)
• include/asm-x86_64/processor.h, line 138 (as a macro)
• security/selinux/include/initial_sid_to_string.h, line 43 (as a macro)

Referenced in 2 files:

• sound/oss/midi_ctrl.h, line 26
• sound/oss/pas2_pcm.c, line 7733