1 files changed, 16 insertions, 2 deletions

diff --git a/arch/sh64/mm/hugetlbpage.c b/arch/sh64/mm/hugetlbpage.c
index bcad2aefa4ee..dcd9c8a8baf8 100644
--- a/arch/sh64/mm/hugetlbpage.c
+++ b/arch/sh64/mm/hugetlbpage.c
@@ -24,7 +24,7 @@
 #include <asm/tlbflush.h>
 #include <asm/cacheflush.h>
 
-static pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr)
+pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr)
 {
         pgd_t *pgd;
         pmd_t *pmd;
@@ -39,7 +39,7 @@ static pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr)
         return pte;
 }
 
-static pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr)
+pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr)
 {
         pgd_t *pgd;
         pmd_t *pmd;
@@ -80,6 +80,20 @@ static void set_huge_pte(struct mm_struct *mm, struct vm_area_struct *vma,
         }
 }
 
+pte_t huge_ptep_get_and_clear(pte_t *ptep)
+{
+        pte_t entry;
+
+        entry = *ptep;
+
+        for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) {
+                pte_clear(pte);
+                pte++;
+        }
+
+        return entry;
+}
+
 /*
  * This function checks for proper alignment of input addr and len parameters.
  */