diff options
Diffstat (limited to 'include/asm-sh')
-rw-r--r-- | include/asm-sh/bitops.h | 1 | ||||
-rw-r--r-- | include/asm-sh/hugetlb.h | 91 | ||||
-rw-r--r-- | include/asm-sh/pgtable_32.h | 3 | ||||
-rw-r--r-- | include/asm-sh/pgtable_64.h | 10 |
4 files changed, 101 insertions, 4 deletions
diff --git a/include/asm-sh/bitops.h b/include/asm-sh/bitops.h index b6ba5a60dec..d7d382f63ee 100644 --- a/include/asm-sh/bitops.h +++ b/include/asm-sh/bitops.h @@ -95,6 +95,7 @@ static inline unsigned long ffz(unsigned long word) #include <asm-generic/bitops/ext2-atomic.h> #include <asm-generic/bitops/minix.h> #include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/__fls.h> #include <asm-generic/bitops/fls64.h> #endif /* __KERNEL__ */ diff --git a/include/asm-sh/hugetlb.h b/include/asm-sh/hugetlb.h new file mode 100644 index 00000000000..02402303d89 --- /dev/null +++ b/include/asm-sh/hugetlb.h @@ -0,0 +1,91 @@ +#ifndef _ASM_SH_HUGETLB_H +#define _ASM_SH_HUGETLB_H + +#include <asm/page.h> + + +static inline int is_hugepage_only_range(struct mm_struct *mm, + unsigned long addr, + unsigned long len) { + return 0; +} + +/* + * If the arch doesn't supply something else, assume that hugepage + * size aligned regions are ok without further preparation. + */ +static inline int prepare_hugepage_range(unsigned long addr, unsigned long len) +{ + if (len & ~HPAGE_MASK) + return -EINVAL; + if (addr & ~HPAGE_MASK) + return -EINVAL; + return 0; +} + +static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) { +} + +static inline void hugetlb_free_pgd_range(struct mmu_gather **tlb, + unsigned long addr, unsigned long end, + unsigned long floor, + unsigned long ceiling) +{ + free_pgd_range(tlb, addr, end, floor, ceiling); +} + +static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte) +{ + set_pte_at(mm, addr, ptep, pte); +} + +static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + return ptep_get_and_clear(mm, addr, ptep); +} + +static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep) +{ +} + +static inline int huge_pte_none(pte_t pte) +{ + return pte_none(pte); +} + +static inline pte_t huge_pte_wrprotect(pte_t pte) +{ + return pte_wrprotect(pte); +} + +static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + ptep_set_wrprotect(mm, addr, ptep); +} + +static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, + pte_t pte, int dirty) +{ + return ptep_set_access_flags(vma, addr, ptep, pte, dirty); +} + +static inline pte_t huge_ptep_get(pte_t *ptep) +{ + return *ptep; +} + +static inline int arch_prepare_hugepage(struct page *page) +{ + return 0; +} + +static inline void arch_release_hugepage(struct page *page) +{ +} + +#endif /* _ASM_SH_HUGETLB_H */ diff --git a/include/asm-sh/pgtable_32.h b/include/asm-sh/pgtable_32.h index 3e3557c53c5..cbc731d35c2 100644 --- a/include/asm-sh/pgtable_32.h +++ b/include/asm-sh/pgtable_32.h @@ -326,6 +326,7 @@ static inline void set_pte(pte_t *ptep, pte_t pte) #define pte_dirty(pte) ((pte).pte_low & _PAGE_DIRTY) #define pte_young(pte) ((pte).pte_low & _PAGE_ACCESSED) #define pte_file(pte) ((pte).pte_low & _PAGE_FILE) +#define pte_special(pte) (0) #ifdef CONFIG_X2TLB #define pte_write(pte) ((pte).pte_high & _PAGE_EXT_USER_WRITE) @@ -356,6 +357,8 @@ PTE_BIT_FUNC(low, mkdirty, |= _PAGE_DIRTY); PTE_BIT_FUNC(low, mkold, &= ~_PAGE_ACCESSED); PTE_BIT_FUNC(low, mkyoung, |= _PAGE_ACCESSED); +static inline pte_t pte_mkspecial(pte_t pte) { return pte; } + /* * Macro and implementation to make a page protection as uncachable. */ diff --git a/include/asm-sh/pgtable_64.h b/include/asm-sh/pgtable_64.h index f9dd9d31144..c78990cda55 100644 --- a/include/asm-sh/pgtable_64.h +++ b/include/asm-sh/pgtable_64.h @@ -254,10 +254,11 @@ extern void __handle_bad_pmd_kernel(pmd_t * pmd); /* * The following have defined behavior only work if pte_present() is true. */ -static inline int pte_dirty(pte_t pte){ return pte_val(pte) & _PAGE_DIRTY; } -static inline int pte_young(pte_t pte){ return pte_val(pte) & _PAGE_ACCESSED; } -static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; } -static inline int pte_write(pte_t pte){ return pte_val(pte) & _PAGE_WRITE; } +static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; } +static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; } +static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; } +static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_WRITE; } +static inline int pte_special(pte_t pte){ return 0; } static inline pte_t pte_wrprotect(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_WRITE)); return pte; } static inline pte_t pte_mkclean(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) & ~_PAGE_DIRTY)); return pte; } @@ -266,6 +267,7 @@ static inline pte_t pte_mkwrite(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | static inline pte_t pte_mkdirty(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_DIRTY)); return pte; } static inline pte_t pte_mkyoung(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_ACCESSED)); return pte; } static inline pte_t pte_mkhuge(pte_t pte) { set_pte(&pte, __pte(pte_val(pte) | _PAGE_SZHUGE)); return pte; } +static inline pte_t pte_mkspecial(pte_t pte) { return pte; } /* |