Defined in 3 files as a macro:

• arch/ia64/include/asm/acenv.h, line 46 (as a macro)
• arch/x86/include/asm/acenv.h, line 24 (as a macro)
• include/acpi/platform/acenv.h, line 253 (as a macro)

Referenced in 2 files:

• drivers/acpi/acpica/evglock.c, line 285
• include/acpi/platform/acenv.h, line 252