--- zzzz-none-000/linux-3.10.107/include/linux/kernel-page-flags.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/kernel-page-flags.h	2021-02-04 17:41:59.000000000 +0000
@@ -15,5 +15,6 @@
 #define KPF_OWNER_PRIVATE	37
 #define KPF_ARCH		38
 #define KPF_UNCACHED		39
+#define KPF_SOFTDIRTY		40
 
 #endif /* LINUX_KERNEL_PAGE_FLAGS_H */