--- zzzz-none-000/linux-3.10.107/arch/xtensa/mm/Makefile	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/xtensa/mm/Makefile	2021-02-04 17:41:59.000000000 +0000
@@ -2,5 +2,6 @@
 # Makefile for the Linux/Xtensa-specific parts of the memory manager.
 #
 
-obj-y			:= init.o cache.o misc.o
-obj-$(CONFIG_MMU)	+= fault.o mmu.o tlb.o
+obj-y			:= init.o misc.o
+obj-$(CONFIG_MMU)	+= cache.o fault.o mmu.o tlb.o
+obj-$(CONFIG_HIGHMEM)	+= highmem.o