diff options
Diffstat (limited to 'include/asm-x86_64/pgtable.h')
| -rw-r--r-- | include/asm-x86_64/pgtable.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h index 20476d129893..a1ada852f00e 100644 --- a/include/asm-x86_64/pgtable.h +++ b/include/asm-x86_64/pgtable.h @@ -247,6 +247,7 @@ static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot) * The following only work if pte_present() is true. * Undefined behaviour if not.. */ +#define __LARGE_PTE (_PAGE_PSE|_PAGE_PRESENT) static inline int pte_user(pte_t pte) { return pte_val(pte) & _PAGE_USER; } extern inline int pte_read(pte_t pte) { return pte_val(pte) & _PAGE_USER; } extern inline int pte_exec(pte_t pte) { return pte_val(pte) & _PAGE_USER; } @@ -254,8 +255,8 @@ extern inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; } extern inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; } extern inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_RW; } static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; } +static inline int pte_huge(pte_t pte) { return (pte_val(pte) & __LARGE_PTE) == __LARGE_PTE; } -#define __LARGE_PTE (_PAGE_PSE|_PAGE_PRESENT) extern inline pte_t pte_rdprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; } extern inline pte_t pte_exprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_USER)); return pte; } extern inline pte_t pte_mkclean(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); return pte; } |