X-Git-Url: http://git.onelab.eu/?p=linux-2.6.git;a=blobdiff_plain;f=arch%2Fi386%2Fmm%2Fhugetlbpage.c;fp=arch%2Fi386%2Fmm%2Fhugetlbpage.c;h=d524127c9afc3b2f92b3e5ad6b3dbce20bec42f7;hp=1719a8141f81aee9f480087be3e54a68eef4adef;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c

diff --git a/arch/i386/mm/hugetlbpage.c b/arch/i386/mm/hugetlbpage.c
index 1719a8141..d524127c9 100644
--- a/arch/i386/mm/hugetlbpage.c
+++ b/arch/i386/mm/hugetlbpage.c
@@ -4,6 +4,7 @@
  * Copyright (C) 2002, Rohit Seth <rohit.seth@intel.com>
  */
 
+#include <linux/config.h>
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <linux/mm.h>
@@ -47,6 +48,18 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr)
 	return (pte_t *) pmd;
 }
 
+/*
+ * 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;
+}
+
 #if 0	/* This is just for testing */
 struct page *
 follow_huge_addr(struct mm_struct *mm, unsigned long address, int write)