[2/2] x86: ioremap: fix normal ram range check

Commit Message

Kenji Kaneshige June 17, 2010, 1:31 a.m. UTC

None

Patch

Index: linux-2.6.34/arch/x86/mm/ioremap.c
===================================================================
--- linux-2.6.34.orig/arch/x86/mm/ioremap.c	2010-06-15 05:33:06.272381451 +0900
+++ linux-2.6.34/arch/x86/mm/ioremap.c	2010-06-15 05:33:21.086585690 +0900
@@ -101,7 +101,7 @@ 
 	 * Don't allow anybody to remap normal RAM that we're using..
 	 */
 	last_pfn = last_addr >> PAGE_SHIFT;
-	for (pfn = phys_addr >> PAGE_SHIFT; pfn < last_pfn; pfn++) {
+	for (pfn = phys_addr >> PAGE_SHIFT; pfn <= last_pfn; pfn++) {
 		int is_ram = page_is_ram(pfn);
 
 		if (is_ram && pfn_valid(pfn) && !PageReserved(pfn_to_page(pfn)))