net: Pass reference to cpumask variable in net/sunrpc/svc.c

* Pass reference to cpumask variable instead of using stack.

For inclusion into sched-devel/latest tree.

Based on:
	git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
    +   sched-devel/latest  .../mingo/linux-2.6-sched-devel.git

Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

net/sunrpc/svc.c

@@ -603,7 +603,7 @@ __svc_create_thread(svc_thread_fn func, struct svc_serv *serv,
 	error = kernel_thread((int (*)(void *)) func, rqstp, 0);
 
 	if (have_oldmask)
-		set_cpus_allowed(current, oldmask);
+		set_cpus_allowed_ptr(current, &oldmask);
 
 	if (error < 0)
 		goto out_thread;