--- zzzz-none-000/linux-3.10.107/arch/x86/kernel/kprobes/common.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/x86/kernel/kprobes/common.h	2021-02-04 17:41:59.000000000 +0000
@@ -82,14 +82,9 @@
 extern void synthesize_relcall(void *from, void *to);
 
 #ifdef	CONFIG_OPTPROBES
-extern int arch_init_optprobes(void);
 extern int setup_detour_execution(struct kprobe *p, struct pt_regs *regs, int reenter);
 extern unsigned long __recover_optprobed_insn(kprobe_opcode_t *buf, unsigned long addr);
 #else	/* !CONFIG_OPTPROBES */
-static inline int arch_init_optprobes(void)
-{
-	return 0;
-}
 static inline int setup_detour_execution(struct kprobe *p, struct pt_regs *regs, int reenter)
 {
 	return 0;