[PATCH] shared page table for hugetlb page

[deliverable/linux.git] / arch / sparc64 / mm / hugetlbpage.c

diff --git a/arch/sparc64/mm/hugetlbpage.c b/arch/sparc64/mm/hugetlbpage.c
index fbbbebbad8a49219674c119551f07a85b594bd9e..33fd0b265e707afdee93ec63322e9bff01220882 100644 (file)
--- a/arch/sparc64/mm/hugetlbpage.c
+++ b/arch/sparc64/mm/hugetlbpage.c
@@ -4,7 +4,6 @@
  * Copyright (C) 2002, 2003, 2006 David S. Miller (davem@davemloft.net)
  */
 
-#include <linux/config.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/fs.h>
@@ -236,6 +235,11 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long 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)
 {