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Diffstat (limited to 'arch/sh64/mm/hugetlbpage.c')
-rw-r--r--arch/sh64/mm/hugetlbpage.c105
1 files changed, 0 insertions, 105 deletions
diff --git a/arch/sh64/mm/hugetlbpage.c b/arch/sh64/mm/hugetlbpage.c
deleted file mode 100644
index fa66daa2dfa9..000000000000
--- a/arch/sh64/mm/hugetlbpage.c
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * arch/sh64/mm/hugetlbpage.c
- *
- * SuperH HugeTLB page support.
- *
- * Cloned from sparc64 by Paul Mundt.
- *
- * Copyright (C) 2002, 2003 David S. Miller (davem@redhat.com)
- */
-
-#include <linux/init.h>
-#include <linux/fs.h>
-#include <linux/mm.h>
-#include <linux/hugetlb.h>
-#include <linux/pagemap.h>
-#include <linux/slab.h>
-#include <linux/sysctl.h>
-
-#include <asm/mman.h>
-#include <asm/pgalloc.h>
-#include <asm/tlb.h>
-#include <asm/tlbflush.h>
-#include <asm/cacheflush.h>
-
-pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr)
-{
- pgd_t *pgd;
- 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);
- }
- return pte;
-}
-
-pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr)
-{
- pgd_t *pgd;
- 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;
-}
-
-int huge_pmd_unshare(struct mm_struct *mm, unsigned long *addr, pte_t *ptep)
-{
- return 0;
-}
-
-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;
- }
-}
-
-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;
-}
-
-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 0;
-}
-
-struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address,
- pmd_t *pmd, int write)
-{
- return NULL;
-}