Defined in 2 files as a macro:

• include/uapi/linux/prctl.h, line 244 (as a macro)
• tools/testing/selftests/arm64/mte/check_gcr_el1_cswitch.c, line 31 (as a macro)

Referenced in 2 files:

• arch/arm64/kernel/mte.c, line 266
• arch/arm64/kernel/process.c, line 662