diff -purN -X /home/mbligh/.diff.exclude 2.6.12-rc2-mm2/include/asm-x86_64/ptrace.h 2.6.12-rc2-mm2-no_hang/include/asm-x86_64/ptrace.h
--- 2.6.12-rc2-mm2/include/asm-x86_64/ptrace.h	2005-04-08 23:41:41.000000000 -0700
+++ 2.6.12-rc2-mm2-no_hang/include/asm-x86_64/ptrace.h	2005-06-08 16:25:01.000000000 -0700
@@ -86,8 +86,6 @@ struct pt_regs {
 extern unsigned long profile_pc(struct pt_regs *regs);
 void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
 
-struct task_struct;
-
 extern unsigned long
 convert_rip_to_linear(struct task_struct *child, struct pt_regs *regs);