Index: linux-3.5-rc6/arch/x86/kernel/e820.c
===================================================================
--- linux-3.5-rc6.orig/arch/x86/kernel/e820.c	2012-07-18 17:19:38.391365260 +0900
+++ linux-3.5-rc6/arch/x86/kernel/e820.c	2012-07-18 17:19:43.616300222 +0900
@@ -944,7 +944,7 @@ void __init e820_reserve_resources(void)
 	for (i = 0; i < e820_saved.nr_map; i++) {
 		struct e820entry *entry = &e820_saved.map[i];
 		firmware_map_add_early(entry->addr,
-			entry->addr + entry->size - 1,
+			entry->addr + entry->size,
 			e820_type_to_string(entry->type));
 	}
 }
Index: linux-3.5-rc6/drivers/firmware/memmap.c
===================================================================
--- linux-3.5-rc6.orig/drivers/firmware/memmap.c	2012-07-18 17:19:38.388365299 +0900
+++ linux-3.5-rc6/drivers/firmware/memmap.c	2012-07-18 18:30:47.608390251 +0900
@@ -98,7 +98,7 @@ static LIST_HEAD(map_entries);
 /**
  * firmware_map_add_entry() - Does the real work to add a firmware memmap entry.
  * @start: Start of the memory range.
- * @end:   End of the memory range (inclusive).
+ * @end:   End of the memory range.
  * @type:  Type of the memory range.
  * @entry: Pre-allocated (either kmalloc() or bootmem allocator), uninitialised
  *         entry.
@@ -113,7 +113,7 @@ static int firmware_map_add_entry(u64 st
 	BUG_ON(start > end);
 
 	entry->start = start;
-	entry->end = end;
+	entry->end = end - 1;
 	entry->type = type;
 	INIT_LIST_HEAD(&entry->list);
 	kobject_init(&entry->kobj, &memmap_ktype);
@@ -148,7 +148,7 @@ static int add_sysfs_fw_map_entry(struct
  * firmware_map_add_hotplug() - Adds a firmware mapping entry when we do
  * memory hotplug.
  * @start: Start of the memory range.
- * @end:   End of the memory range (inclusive).
+ * @end:   End of the memory range.
  * @type:  Type of the memory range.
  *
  * Adds a firmware mapping entry. This function is for memory hotplug, it is
@@ -175,7 +175,7 @@ int __meminit firmware_map_add_hotplug(u
 /**
  * firmware_map_add_early() - Adds a firmware mapping entry.
  * @start: Start of the memory range.
- * @end:   End of the memory range (inclusive).
+ * @end:   End of the memory range.
  * @type:  Type of the memory range.
  *
  * Adds a firmware mapping entry. This function uses the bootmem allocator