--- a/fs/Makefile.orig	2014-01-16 20:17:03.000000000 +0000
+++ b/fs/Makefile	2014-01-16 20:25:05.000000000 +0000
@@ -13,6 +13,8 @@
 		pnode.o splice.o sync.o utimes.o \
 		stack.o fs_struct.o statfs.o
 
+CFLAGS_exec.o += -O1
+
 ifeq ($(CONFIG_BLOCK),y)
 obj-y +=	buffer.o bio.o block_dev.o direct-io.o mpage.o ioprio.o
 else