- cleanup from Andi Kleen: schedule_tail() does not have to take 'prev' as a parameter anymore.

arch/i386/kernel/entry.S

@@ -196,9 +196,7 @@ ENTRY(lcall27)
 
 ENTRY(ret_from_fork)
 #if CONFIG_SMP
-	pushl %ebx
 	call SYMBOL_NAME(schedule_tail)
-	addl $4, %esp
 #endif
 	GET_THREAD_INFO(%ebx)
 	jmp syscall_exit

kernel/sched.c

@@ -411,7 +411,7 @@ void sched_exit(task_t * p)
 }
 
 #if CONFIG_SMP
-asmlinkage void schedule_tail(task_t *prev)
+asmlinkage void schedule_tail(void)
 {
 	spin_unlock_irq(&this_rq()->lock);
 }