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[4/4] x86: ioremap: fix normal ram range check

Message ID 4C12002C.5030400@jp.fujitsu.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Kenji Kaneshige June 11, 2010, 9:21 a.m. UTC
None
diff mbox

Patch

Index: linux-2.6.34/arch/x86/mm/ioremap.c
===================================================================
--- linux-2.6.34.orig/arch/x86/mm/ioremap.c	2010-06-10 07:28:33.146375380 +0900
+++ linux-2.6.34/arch/x86/mm/ioremap.c	2010-06-10 07:32:59.211196516 +0900
@@ -100,7 +100,7 @@ 
 	 * 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)))