Defined in 2 files as a config:

• arch/arm/Kconfig, line 1301 (as a config)
• arch/x86/Kconfig, line 1678 (as a config)

Referenced in 3 files:

• arch/arm/include/asm/pgalloc.h, line 88
• arch/x86/mm/pgtable.c, line 15
• include/linux/pgtable.h, line 97