mm/hugetlb: reduce arch dependent code around follow_huge_*

[cascardo/linux.git] / arch / tile / mm / hugetlbpage.c

diff --git a/arch/tile/mm/hugetlbpage.c b/arch/tile/mm/hugetlbpage.c
index 3270e00..8416240 100644 (file)
--- a/arch/tile/mm/hugetlbpage.c
+++ b/arch/tile/mm/hugetlbpage.c
@@ -150,12 +150,6 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr)
        return NULL;
 }
 
-struct page *follow_huge_addr(struct mm_struct *mm, unsigned long address,
-                             int write)
-{
-       return ERR_PTR(-EINVAL);
-}
-
 int pmd_huge(pmd_t pmd)
 {
        return !!(pmd_val(pmd) & _PAGE_HUGE_PAGE);
@@ -166,28 +160,6 @@ int pud_huge(pud_t pud)
        return !!(pud_val(pud) & _PAGE_HUGE_PAGE);
 }
 
-struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address,
-                            pmd_t *pmd, int write)
-{
-       struct page *page;
-
-       page = pte_page(*(pte_t *)pmd);
-       if (page)
-               page += ((address & ~PMD_MASK) >> PAGE_SHIFT);
-       return page;
-}
-
-struct page *follow_huge_pud(struct mm_struct *mm, unsigned long address,
-                            pud_t *pud, int write)
-{
-       struct page *page;
-
-       page = pte_page(*(pte_t *)pud);
-       if (page)
-               page += ((address & ~PUD_MASK) >> PAGE_SHIFT);
-       return page;
-}
-
 int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep)
 {
        return 0;