mm: fix typos in comments in mm/oom_kill.c

Index: linux-2.6.17-rc1-oom/mm/oom_kill.c
===================================================================
@@ -25,7 +25,7 @@
 /* #define DEBUG */
 
 /**
- * oom_badness - calculate a numeric value for how bad this task has been
+ * badness - calculate a numeric value for how bad this task has been
  * @p: task struct of which task we should calculate
  * @uptime: current uptime in seconds
  *

@@ -190,7 +190,7 @@ static struct task_struct *select_bad_pr
 			continue;
 
 		/*
-		 * This is in the process of releasing memory so for wait it
+		 * This is in the process of releasing memory so wait for it
 		 * to finish before killing some other task by mistake.
 		 */
 		releasing = test_tsk_thread_flag(p, TIF_MEMDIE) ||

@@ -291,7 +291,7 @@ static struct mm_struct *oom_kill_proces
 }
 
 /**
- * oom_kill - kill the "best" process when we run out of memory
+ * out_of_memory - kill the "best" process when we run out of memory
  *
  * If we run out of memory, we have the choice between either
  * killing a random task (bad), letting the system crash (worse)