diff options
Diffstat (limited to 'include/asm-x86')
| -rw-r--r-- | include/asm-x86/pgtable_32.h | 2 | ||||
| -rw-r--r-- | include/asm-x86/pgtable_64.h | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h index 21e70fbf1da..935630d1730 100644 --- a/include/asm-x86/pgtable_32.h +++ b/include/asm-x86/pgtable_32.h @@ -148,6 +148,8 @@ static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count) */ #define pgd_offset_k(address) pgd_offset(&init_mm, address) +static inline int pud_large(pud_t pud) { return 0; } + /* * the pmd page can be thought of an array like this: pmd_t[PTRS_PER_PMD] * diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h index 5c86cff3ee7..bd4740a60f2 100644 --- a/include/asm-x86/pgtable_64.h +++ b/include/asm-x86/pgtable_64.h @@ -198,6 +198,12 @@ static inline unsigned long pmd_bad(pmd_t pmd) #define pud_offset(pgd, address) ((pud_t *) pgd_page_vaddr(*(pgd)) + pud_index(address)) #define pud_present(pud) (pud_val(pud) & _PAGE_PRESENT) +static inline int pud_large(pud_t pte) +{ + return (pud_val(pte) & (_PAGE_PSE|_PAGE_PRESENT)) == + (_PAGE_PSE|_PAGE_PRESENT); +} + /* PMD - Level 2 access */ #define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val(pmd) & PTE_MASK)) #define pmd_page(pmd) (pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)) |