--- kernel-2.6.27.orig/arch/arm/boot/compressed/Makefile
+++ kernel-2.6.27/arch/arm/boot/compressed/Makefile
@@ -44,6 +44,10 @@
 OBJS		+= head-sharpsl.o
 endif
 
+ifeq ($(CONFIG_MACH_OMAP_PERSEUS2),y)
+OBJS		+= head-omap.o
+endif
+
 ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
 ifeq ($(CONFIG_CPU_CP15),y)
 OBJS		+= big-endian.o