X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fsh%2Fmm%2Fhugetlbpage.c;fp=arch%2Fsh%2Fmm%2Fhugetlbpage.c;h=6b7a7688c98e87178d4915a1f17e8118213a5e63;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=2a85bc15a41238ce2d84e5bf891b63b589bd67ae;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git

diff --git a/arch/sh/mm/hugetlbpage.c b/arch/sh/mm/hugetlbpage.c
index 2a85bc15a..6b7a7688c 100644
--- a/arch/sh/mm/hugetlbpage.c
+++ b/arch/sh/mm/hugetlbpage.c
@@ -8,6 +8,7 @@
  * Copyright (C) 2002, 2003 David S. Miller (davem@redhat.com)
  */
 
+#include <linux/config.h>
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <linux/mm.h>
@@ -83,6 +84,18 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
 	return entry;
 }
 
+/*
+ * This function checks for proper alignment of input addr and len parameters.
+ */
+int is_aligned_hugepage_range(unsigned long addr, unsigned long len)
+{
+	if (len & ~HPAGE_MASK)
+		return -EINVAL;
+	if (addr & ~HPAGE_MASK)
+		return -EINVAL;
+	return 0;
+}
+
 struct page *follow_huge_addr(struct mm_struct *mm,
 			      unsigned long address, int write)
 {