From: Al Viro <viro@ftp.linux.org.uk>
Date: Thu, 12 Jan 2006 09:05:57 +0000 (-0800)
Subject: [PATCH] arm: end_of_stack()
X-Git-Tag: v2.6.16-rc1~241
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=552058239238342dfd2fa8d33a299a162b1a4f05;p=linux-2.6-omap-h63xx.git

[PATCH] arm: end_of_stack()

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/arm/kernel/process.c b/arch/arm/kernel/process.c
index 91d107d33c8..ac6ed955ca0 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -459,7 +459,7 @@ unsigned long get_wchan(struct task_struct *p)
 	if (!p || p == current || p->state == TASK_RUNNING)
 		return 0;
 
-	stack_start = (unsigned long)(p->thread_info + 1);
+	stack_start = (unsigned long)end_of_stack(p);
 	stack_end = ((unsigned long)p->thread_info) + THREAD_SIZE;
 
 	fp = thread_saved_fp(p);
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index c9fe6f5f7ee..c1a04ec830d 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -164,7 +164,7 @@ static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
 	} else if (verify_stack(fp)) {
 		printk("invalid frame pointer 0x%08x", fp);
 		ok = 0;
-	} else if (fp < (unsigned long)(tsk->thread_info + 1))
+	} else if (fp < (unsigned long)end_of_stack(tsk))
 		printk("frame pointer underflow");
 	printk("\n");