diff options
Diffstat (limited to 'include/linux/huge_mm.h')
| -rw-r--r-- | include/linux/huge_mm.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 4663ee96cf59..381e872bfde0 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -93,7 +93,11 @@ extern bool is_vma_temporary_stack(struct vm_area_struct *vma); extern unsigned long transparent_hugepage_flags; -static inline bool transparent_hugepage_enabled(struct vm_area_struct *vma) +/* + * to be used on vmas which are known to support THP. + * Use transparent_hugepage_enabled otherwise + */ +static inline bool __transparent_hugepage_enabled(struct vm_area_struct *vma) { if (vma->vm_flags & VM_NOHUGEPAGE) return false; @@ -117,6 +121,8 @@ static inline bool transparent_hugepage_enabled(struct vm_area_struct *vma) return false; } +bool transparent_hugepage_enabled(struct vm_area_struct *vma); + #define transparent_hugepage_use_zero_page() \ (transparent_hugepage_flags & \ (1<<TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG)) @@ -257,6 +263,11 @@ static inline bool thp_migration_supported(void) #define hpage_nr_pages(x) 1 +static inline bool __transparent_hugepage_enabled(struct vm_area_struct *vma) +{ + return false; +} + static inline bool transparent_hugepage_enabled(struct vm_area_struct *vma) { return false; |