[PATCH] mm: fix-up schedule_timeout() usage

Use schedule_timeout_{,un}interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size.
Signed-off-by: NNishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

mm/oom_kill.c

@@ -300,6 +300,5 @@ void out_of_memory(unsigned int __nocast gfp_mask, int order)
 	 * Give "p" a good chance of killing itself before we
 	 * retry to allocate memory.
 	 */
-	__set_current_state(TASK_INTERRUPTIBLE);
-	schedule_timeout(1);
+	schedule_timeout_interruptible(1);
 }

mm/swapfile.c

@@ -1153,8 +1153,7 @@ asmlinkage long sys_swapoff(const char __user * specialfile)
 	p->highest_bit = 0;		/* cuts scans short */
 	while (p->flags >= SWP_SCANNING) {
 		spin_unlock(&swap_lock);
-		set_current_state(TASK_UNINTERRUPTIBLE);
-		schedule_timeout(1);
+		schedule_timeout_uninterruptible(1);
 		spin_lock(&swap_lock);
 	}