diff options
Diffstat (limited to 'arch/sh/mm/hugetlbpage.c')
| -rw-r--r-- | arch/sh/mm/hugetlbpage.c | 52 |
1 files changed, 16 insertions, 36 deletions
diff --git a/arch/sh/mm/hugetlbpage.c b/arch/sh/mm/hugetlbpage.c index a3568fd51508e4..069b7c9ef2deb0 100644 --- a/arch/sh/mm/hugetlbpage.c +++ b/arch/sh/mm/hugetlbpage.c @@ -27,61 +27,41 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr) { pgd_t *pgd; + pud_t *pud; pmd_t *pmd; pte_t *pte = NULL; pgd = pgd_offset(mm, addr); if (pgd) { - pmd = pmd_alloc(mm, pgd, addr); - if (pmd) - pte = pte_alloc_map(mm, pmd, addr); + pud = pud_alloc(mm, pgd, addr); + if (pud) { + pmd = pmd_alloc(mm, pud, addr); + if (pmd) + pte = pte_alloc_map(mm, pmd, addr); + } } + return pte; } pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr) { pgd_t *pgd; + pud_t *pud; pmd_t *pmd; pte_t *pte = NULL; pgd = pgd_offset(mm, addr); if (pgd) { - pmd = pmd_offset(pgd, addr); - if (pmd) - pte = pte_offset_map(pmd, addr); - } - return pte; -} - -void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t entry) -{ - int i; - - for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) { - set_pte_at(mm, addr, ptep, entry); - ptep++; - addr += PAGE_SIZE; - pte_val(entry) += PAGE_SIZE; + pud = pud_offset(pgd, addr); + if (pud) { + pmd = pmd_offset(pud, addr); + if (pmd) + pte = pte_offset_map(pmd, addr); + } } -} - -pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, - pte_t *ptep) -{ - pte_t entry; - int i; - - entry = *ptep; - for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) { - pte_clear(mm, addr, ptep); - addr += PAGE_SIZE; - ptep++; - } - - return entry; + return pte; } struct page *follow_huge_addr(struct mm_struct *mm, |