drivers/staging/zram/Makefile - linux-imx - Git at Google

 zram-y	:=	zram_drv.o zram_sysfs.o

 obj-$(CONFIG_ZRAM)	+=	zram.o
	zram-y := zram_drv.o zram_sysfs.o

	obj-$(CONFIG_ZRAM) += zram.o