--- zzzz-none-000/linux-2.6.39.4/arch/x86/include/asm/ptrace.h	2011-08-03 19:43:28.000000000 +0000
+++ puma6-arm-6490-729/linux-2.6.39.4/arch/x86/include/asm/ptrace.h	2021-11-10 13:23:10.000000000 +0000
@@ -2,6 +2,9 @@
 #define _ASM_X86_PTRACE_H
 
 #include <linux/compiler.h>	/* For __user */
+#ifdef __KERNEL__
+#include <linux/linkage.h>
+#endif
 #include <asm/ptrace-abi.h>
 #include <asm/processor-flags.h>
 
@@ -143,8 +146,8 @@
 			 int error_code, int si_code);
 void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
 
-extern long syscall_trace_enter(struct pt_regs *);
-extern void syscall_trace_leave(struct pt_regs *);
+extern asmregparm long syscall_trace_enter(struct pt_regs *);
+extern asmregparm void syscall_trace_leave(struct pt_regs *);
 
 static inline unsigned long regs_return_value(struct pt_regs *regs)
 {