diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 78f50e81cd95..728d7247a1a6 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -543,12 +543,30 @@ efi_init (void)
 		for (i = 0, p = efi_map_start; p < efi_map_end;
 		     ++i, p += efi_desc_size)
 		{
+			const char *unit;
+			unsigned long size;
+
 			md = p;
-			printk("mem%02u: type=%u, attr=0x%lx, "
-			       "range=[0x%016lx-0x%016lx) (%luMB)\n",
+			size = md->num_pages << EFI_PAGE_SHIFT;
+
+			if ((size >> 40) > 0) {
+				size >>= 40;
+				unit = "TB";
+			} else if ((size >> 30) > 0) {
+				size >>= 30;
+				unit = "GB";
+			} else if ((size >> 20) > 0) {
+				size >>= 20;
+				unit = "MB";
+			} else {
+				size >>= 10;
+				unit = "KB";
+			}
+
+			printk("mem%02d: type=%2u, attr=0x%016lx, "
+			       "range=[0x%016lx-0x%016lx) (%4lu%s)\n",
 			       i, md->type, md->attribute, md->phys_addr,
-			       md->phys_addr + efi_md_size(md),
-			       md->num_pages >> (20 - EFI_PAGE_SHIFT));
+			       md->phys_addr + efi_md_size(md), size, unit);
 		}
 	}
 #endif