diff options
Diffstat (limited to 'arch/powerpc/mm/hugetlbpage.c')
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage.c | 31 |
1 files changed, 10 insertions, 21 deletions
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index 1bf065546fa1..53b200abb025 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -344,27 +344,6 @@ void hugetlb_free_pgd_range(struct mmu_gather *tlb, } while (pgd++, addr = next, addr != end); } -void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pte) -{ - if (pte_present(*ptep)) { - /* We open-code pte_clear because we need to pass the right - * argument to hpte_need_flush (huge / !huge). Might not be - * necessary anymore if we make hpte_need_flush() get the - * page size from the slices - */ - pte_update(mm, addr, ptep, ~0UL, 1); - } - *ptep = __pte(pte_val(pte) & ~_PAGE_HPTEFLAGS); -} - -pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, - pte_t *ptep) -{ - unsigned long old = pte_update(mm, addr, ptep, ~0UL, 1); - return __pte(old); -} - struct page * follow_huge_addr(struct mm_struct *mm, unsigned long address, int write) { @@ -580,3 +559,13 @@ static int __init hugetlbpage_init(void) } module_init(hugetlbpage_init); + +void flush_dcache_icache_hugepage(struct page *page) +{ + int i; + + BUG_ON(!PageCompound(page)); + + for (i = 0; i < (1UL << compound_order(page)); i++) + __flush_dcache_icache(page_address(page+i)); +} |