--- zzzz-none-000/linux-4.4.60/mm/Makefile	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-7490-727/linux-4.4.60/mm/Makefile	2021-02-04 17:41:59.000000000 +0000
@@ -21,7 +21,7 @@
 			   mm_init.o mmu_context.o percpu.o slab_common.o \
 			   compaction.o vmacache.o \
 			   interval_tree.o list_lru.o workingset.o \
-			   debug.o $(mmu-y)
+			   debug.o $(mmu-y) showmem.o
 
 obj-y += init-mm.o