--- zzzz-none-000/linux-3.10.107/arch/x86/kernel/cpu/mtrr/mtrr.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/x86/kernel/cpu/mtrr/mtrr.h	2021-02-04 17:41:59.000000000 +0000
@@ -51,7 +51,8 @@
 
 void fill_mtrr_var_range(unsigned int index,
 		u32 base_lo, u32 base_hi, u32 mask_lo, u32 mask_hi);
-void get_mtrr_state(void);
+bool get_mtrr_state(void);
+void mtrr_bp_pat_init(void);
 
 extern void set_mtrr_ops(const struct mtrr_ops *ops);