diff options
Diffstat (limited to 'arch/tile/include/asm/pgtable.h')
-rw-r--r-- | arch/tile/include/asm/pgtable.h | 89 |
1 files changed, 83 insertions, 6 deletions
diff --git a/arch/tile/include/asm/pgtable.h b/arch/tile/include/asm/pgtable.h index 67490910774..ec907d4dbd7 100644 --- a/arch/tile/include/asm/pgtable.h +++ b/arch/tile/include/asm/pgtable.h @@ -187,6 +187,7 @@ static inline void __pte_clear(pte_t *ptep) * Undefined behaviour if not.. */ #define pte_present hv_pte_get_present +#define pte_mknotpresent hv_pte_clear_present #define pte_user hv_pte_get_user #define pte_read hv_pte_get_readable #define pte_dirty hv_pte_get_dirty @@ -312,7 +313,7 @@ extern void check_mm_caching(struct mm_struct *prev, struct mm_struct *next); */ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) { - return pfn_pte(hv_pte_get_pfn(pte), newprot); + return pfn_pte(pte_pfn(pte), newprot); } /* @@ -410,6 +411,46 @@ static inline unsigned long pmd_index(unsigned long address) return (address >> PMD_SHIFT) & (PTRS_PER_PMD - 1); } +#define __HAVE_ARCH_PMDP_TEST_AND_CLEAR_YOUNG +static inline int pmdp_test_and_clear_young(struct vm_area_struct *vma, + unsigned long address, + pmd_t *pmdp) +{ + return ptep_test_and_clear_young(vma, address, pmdp_ptep(pmdp)); +} + +#define __HAVE_ARCH_PMDP_SET_WRPROTECT +static inline void pmdp_set_wrprotect(struct mm_struct *mm, + unsigned long address, pmd_t *pmdp) +{ + ptep_set_wrprotect(mm, address, pmdp_ptep(pmdp)); +} + + +#define __HAVE_ARCH_PMDP_GET_AND_CLEAR +static inline pmd_t pmdp_get_and_clear(struct mm_struct *mm, + unsigned long address, + pmd_t *pmdp) +{ + return pte_pmd(ptep_get_and_clear(mm, address, pmdp_ptep(pmdp))); +} + +static inline void __set_pmd(pmd_t *pmdp, pmd_t pmdval) +{ + set_pte(pmdp_ptep(pmdp), pmd_pte(pmdval)); +} + +#define set_pmd_at(mm, addr, pmdp, pmdval) __set_pmd(pmdp, pmdval) + +/* Create a pmd from a PTFN. */ +static inline pmd_t ptfn_pmd(unsigned long ptfn, pgprot_t prot) +{ + return pte_pmd(hv_pte_set_ptfn(prot, ptfn)); +} + +/* Return the page-table frame number (ptfn) that a pmd_t points at. */ +#define pmd_ptfn(pmd) hv_pte_get_ptfn(pmd_pte(pmd)) + /* * A given kernel pmd_t maps to a specific virtual address (either a * kernel huge page or a kernel pte_t table). Since kernel pte_t @@ -432,6 +473,47 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd) */ #define pmd_page(pmd) pfn_to_page(HV_PTFN_TO_PFN(pmd_ptfn(pmd))) +static inline void pmd_clear(pmd_t *pmdp) +{ + __pte_clear(pmdp_ptep(pmdp)); +} + +#define pmd_mknotpresent(pmd) pte_pmd(pte_mknotpresent(pmd_pte(pmd))) +#define pmd_young(pmd) pte_young(pmd_pte(pmd)) +#define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd))) +#define pmd_mkold(pmd) pte_pmd(pte_mkold(pmd_pte(pmd))) +#define pmd_mkwrite(pmd) pte_pmd(pte_mkwrite(pmd_pte(pmd))) +#define pmd_write(pmd) pte_write(pmd_pte(pmd)) +#define pmd_wrprotect(pmd) pte_pmd(pte_wrprotect(pmd_pte(pmd))) +#define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd))) +#define pmd_huge_page(pmd) pte_huge(pmd_pte(pmd)) +#define pmd_mkhuge(pmd) pte_pmd(pte_mkhuge(pmd_pte(pmd))) +#define __HAVE_ARCH_PMD_WRITE + +#define pfn_pmd(pfn, pgprot) pte_pmd(pfn_pte((pfn), (pgprot))) +#define pmd_pfn(pmd) pte_pfn(pmd_pte(pmd)) +#define mk_pmd(page, pgprot) pfn_pmd(page_to_pfn(page), (pgprot)) + +static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot) +{ + return pfn_pmd(pmd_pfn(pmd), newprot); +} + +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +#define has_transparent_hugepage() 1 +#define pmd_trans_huge pmd_huge_page + +static inline pmd_t pmd_mksplitting(pmd_t pmd) +{ + return pte_pmd(hv_pte_set_client2(pmd_pte(pmd))); +} + +static inline int pmd_trans_splitting(pmd_t pmd) +{ + return hv_pte_get_client2(pmd_pte(pmd)); +} +#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ + /* * The pte page can be thought of an array like this: pte_t[PTRS_PER_PTE] * @@ -448,11 +530,6 @@ static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address) return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address); } -static inline int pmd_huge_page(pmd_t pmd) -{ - return pmd_val(pmd) & _PAGE_HUGE_PAGE; -} - #include <asm-generic/pgtable.h> /* Support /proc/NN/pgtable API. */ |