From: Pavel Machek <pavel@ucw.cz>

This should make refrigerator sleep properly, not busywait after the first
schedule() returns.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 kernel/power/process.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff -puN kernel/power/process.c~remove-busywait-in-refrigerator kernel/power/process.c
--- devel/kernel/power/process.c~remove-busywait-in-refrigerator	2005-07-28 16:17:17.000000000 -0700
+++ devel-akpm/kernel/power/process.c	2005-07-28 16:17:17.000000000 -0700
@@ -38,7 +38,6 @@ void refrigerator(void)
 	   processes around? */
 	long save;
 	save = current->state;
-	current->state = TASK_UNINTERRUPTIBLE;
 	pr_debug("%s entered refrigerator\n", current->comm);
 	printk("=");
 
@@ -47,8 +46,10 @@ void refrigerator(void)
 	recalc_sigpending(); /* We sent fake signal, clean it up */
 	spin_unlock_irq(&current->sighand->siglock);
 
-	while (frozen(current))
+	while (frozen(current)) {
+		current->state = TASK_UNINTERRUPTIBLE;
 		schedule();
+	}
 	pr_debug("%s left refrigerator\n", current->comm);
 	current->state = save;
 }
_