1. 根目录:
2. arch
3. xtensa
4. mm
5. Makefile

#
# Makefile for the Linux/Xtensa-specific parts of the memory manager.
#

obj-y			:= init.o cache.o misc.o
obj-$(CONFIG_MMU)	+= fault.o mmu.o tlb.o
obj-$(CONFIG_HIGHMEM)	+= highmem.o