Index: head/sys/compat/linuxkpi/common/include/linux/printk.h
===================================================================
--- head/sys/compat/linuxkpi/common/include/linux/printk.h
+++ head/sys/compat/linuxkpi/common/include/linux/printk.h
@@ -68,7 +68,7 @@
 			printf("[%p] ", buf);
 			break;
 		case DUMP_PREFIX_OFFSET:
-			printf("[%p] ", (const char *)((const char *)buf -
+			printf("[%#tx] ", ((const char *)buf -
 			    (const char *)buf_old));
 			break;
 		default: