diff options
Diffstat (limited to 'include/linux/huge_mm.h')
| -rw-r--r-- | include/linux/huge_mm.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index f280f33ff223..e4c18ba8d3bf 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -274,6 +274,15 @@ static inline int thp_nr_pages(struct page *page) return 1; } +/** + * folio_test_pmd_mappable - Can we map this folio with a PMD? + * @folio: The folio to test + */ +static inline bool folio_test_pmd_mappable(struct folio *folio) +{ + return folio_order(folio) >= HPAGE_PMD_ORDER; +} + struct page *follow_devmap_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd, int flags, struct dev_pagemap **pgmap); struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long addr, @@ -339,6 +348,11 @@ static inline int thp_nr_pages(struct page *page) return 1; } +static inline bool folio_test_pmd_mappable(struct folio *folio) +{ + return false; +} + static inline bool __transparent_hugepage_enabled(struct vm_area_struct *vma) { return false; |