def_bool y
depends on PPC_STD_MMU && PPC32
-config PPC_STD_MMU_64
- def_bool y
- depends on PPC_STD_MMU && PPC64
-
config PPC_RADIX_MMU
bool "Radix MMU Support"
depends on PPC_BOOK3S_64
is only implemented by IBM Power9 CPUs, if you don't have one of them
you can probably disable this.
+config PPC_RADIX_MMU_DEFAULT
+ bool "Default to using the Radix MMU when possible"
+ depends on PPC_RADIX_MMU
+ default y
+ help
+ When the hardware supports the Radix MMU, default to using it unless
+ "disable_radix[=yes]" is specified on the kernel command line.
+
+ If this option is disabled, the Hash MMU will be used by default,
+ unless "disable_radix=no" is specified on the kernel command line.
+
+ If you're unsure, say Y.
+
config ARCH_ENABLE_HUGEPAGE_MIGRATION
def_bool y
depends on PPC_BOOK3S_64 && HUGETLB_PAGE && MIGRATION
config PPC_MM_SLICES
bool
- default y if PPC_STD_MMU_64
+ default y if PPC_BOOK3S_64
default n
config PPC_HAVE_PMU_SUPPORT