Defined in 3 files as a macro:

• arch/x86/include/asm/mmzone_32.h, line 52 (as a macro)
• include/linux/mmzone.h, line 1385 (as a macro)
• include/linux/mmzone.h, line 1406 (as a macro)

Referenced in 2 files:

• include/linux/mmzone.h, line 1405
• mm/page_alloc.c, line 5913