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-rw-r--r--include/asm-x86_64/proto.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-x86_64/proto.h b/include/asm-x86_64/proto.h
index f2f073642d6..6c813eb521f 100644
--- a/include/asm-x86_64/proto.h
+++ b/include/asm-x86_64/proto.h
@@ -15,6 +15,13 @@ extern void pda_init(int);
extern void early_idt_handler(void);
extern void mcheck_init(struct cpuinfo_x86 *c);
+#ifdef CONFIG_MTRR
+extern void mtrr_ap_init(void);
+extern void mtrr_bp_init(void);
+#else
+#define mtrr_ap_init() do {} while (0)
+#define mtrr_bp_init() do {} while (0)
+#endif
extern void init_memory_mapping(unsigned long start, unsigned long end);
extern void system_call(void);