[PATCH -mm 4/6] Freezer: Remove PF_NOFREEZE from rcutorture thread

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From: Paul E. McKenney <[email protected]>

Remove PF_NOFREEZE from the rcutorture thread, adding a try_to_freeze() call as
required.

Signed-off-by: Paul E. McKenney <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
Acked-by: Pavel Machek <[email protected]>
---
 kernel/rcutorture.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Index: linux-2.6.20-mm2/kernel/rcutorture.c
===================================================================
--- linux-2.6.20-mm2.orig/kernel/rcutorture.c	2007-02-22 23:51:54.000000000 +0100
+++ linux-2.6.20-mm2/kernel/rcutorture.c	2007-02-22 23:55:12.000000000 +0100
@@ -46,6 +46,7 @@
 #include <linux/byteorder/swabb.h>
 #include <linux/stat.h>
 #include <linux/srcu.h>
+#include <linux/freezer.h>
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Paul E. McKenney <[email protected]> and "
@@ -585,7 +586,6 @@ rcu_torture_writer(void *arg)
 
 	VERBOSE_PRINTK_STRING("rcu_torture_writer task started");
 	set_user_nice(current, 19);
-	current->flags |= PF_NOFREEZE;
 
 	do {
 		schedule_timeout_uninterruptible(1);
@@ -607,6 +607,7 @@ rcu_torture_writer(void *arg)
 		}
 		rcu_torture_current_version++;
 		oldbatch = cur_ops->completed();
+		try_to_freeze();
 	} while (!kthread_should_stop() && !fullstop);
 	VERBOSE_PRINTK_STRING("rcu_torture_writer task stopping");
 	while (!kthread_should_stop())

-
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