config ARCH_SUPPORTS_HUGETLBFS
def_bool n
-config HUGETLBFS
+menuconfig HUGETLBFS
bool "HugeTLB file system support"
depends on X86 || SPARC64 || ARCH_SUPPORTS_HUGETLBFS || BROKEN
depends on (SYSFS || SYSCTL)
If unsure, say N.
+if HUGETLBFS
+config HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON
+ bool "HugeTLB Vmemmap Optimization (HVO) defaults to on"
+ default n
+ depends on HUGETLB_PAGE_OPTIMIZE_VMEMMAP
+ help
+ The HugeTLB Vmemmap Optimization (HVO) defaults to off. Say Y here to
+ enable HVO by default. It can be disabled via hugetlb_free_vmemmap=off
+ (boot command line) or hugetlb_optimize_vmemmap (sysctl).
+endif # HUGETLBFS
+
config HUGETLB_PAGE
def_bool HUGETLBFS
select XARRAY_MULTI
depends on ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP
depends on SPARSEMEM_VMEMMAP
-config HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON
- bool "HugeTLB Vmemmap Optimization (HVO) defaults to on"
- default n
- depends on HUGETLB_PAGE_OPTIMIZE_VMEMMAP
- help
- The HugeTLB VmemmapvOptimization (HVO) defaults to off. Say Y here to
- enable HVO by default. It can be disabled via hugetlb_free_vmemmap=off
- (boot command line) or hugetlb_optimize_vmemmap (sysctl).
-
config ARCH_HAS_GIGANTIC_PAGE
bool