diff --git a/sys/compat/linuxkpi/common/include/linux/highmem.h b/sys/compat/linuxkpi/common/include/linux/highmem.h
--- a/sys/compat/linuxkpi/common/include/linux/highmem.h
+++ b/sys/compat/linuxkpi/common/include/linux/highmem.h
@@ -43,6 +43,7 @@
 #include <vm/vm_page.h>
 #include <vm/pmap.h>
 
+#include <linux/mm.h>
 #include <linux/page.h>
 
 #define	PageHighMem(p)		(0)
diff --git a/sys/compat/linuxkpi/common/include/linux/mm.h b/sys/compat/linuxkpi/common/include/linux/mm.h
--- a/sys/compat/linuxkpi/common/include/linux/mm.h
+++ b/sys/compat/linuxkpi/common/include/linux/mm.h
@@ -35,6 +35,7 @@
 #include <linux/gfp.h>
 #include <linux/kernel.h>
 #include <linux/mm_types.h>
+#include <linux/mmzone.h>
 #include <linux/pfn.h>
 #include <linux/list.h>
 #include <linux/mmap_lock.h>
diff --git a/sys/compat/linuxkpi/common/include/linux/mmzone.h b/sys/compat/linuxkpi/common/include/linux/mmzone.h
--- a/sys/compat/linuxkpi/common/include/linux/mmzone.h
+++ b/sys/compat/linuxkpi/common/include/linux/mmzone.h
@@ -4,6 +4,7 @@
 #define _LINUX_MMZONE_H
 
 #include <linux/mm_types.h>
+#include <linux/numa.h>
 #include <linux/page-flags.h>
 
 #define MAX_ORDER	11