[PATCH] m32r: task_pt_regs(), task_stack_page(), task_thread_info()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/m32r/kernel/process.c b/arch/m32r/kernel/process.c
index 2a1f250..5dfc7ea 100644
--- a/arch/m32r/kernel/process.c
+++ b/arch/m32r/kernel/process.c
@@ -242,13 +242,10 @@
 int copy_thread(int nr, unsigned long clone_flags, unsigned long spu,
 	unsigned long unused, struct task_struct *tsk, struct pt_regs *regs)
 {
-	struct pt_regs *childregs;
-	unsigned long sp = (unsigned long)tsk->thread_info + THREAD_SIZE;
+	struct pt_regs *childregs = task_pt_regs(tsk);
 	extern void ret_from_fork(void);
 
 	/* Copy registers */
-	sp -= sizeof (struct pt_regs);
-	childregs = (struct pt_regs *)sp;
 	*childregs = *regs;
 
 	childregs->spu = spu;