[patch] BFS 421: cleanup by removing __account_system_time

[Hillf Danton]

It is not used, so lets do cleanup.

--- a/kernel/sched/bfs.c	Tue Jun 12 20:11:04 2012
+++ b/kernel/sched/bfs.c	Wed Jun 13 19:55:24 2012
@@ -2601,28 +2601,6 @@ static void account_guest_time(struct ta
 	}
 }

-/*
- * Account system cpu time to a process and desired cpustat field
- * @p: the process that the cpu time gets accounted to
- * @cputime: the cpu time spent in kernel space since the last update
- * @cputime_scaled: cputime scaled by cpu frequency
- * @target_cputime64: pointer to cpustat field that has to be updated
- */
-static inline
-void __account_system_time(struct task_struct *p, cputime_t cputime,
-			cputime_t cputime_scaled, cputime64_t *target_cputime64)
-{
-	/* Add system time to process. */
-	p->stime += (__force u64)cputime;
-	p->stimescaled += (__force u64)cputime_scaled;
-	account_group_system_time(p, cputime);
-
-	/* Add system time to cpustat. */
-	*target_cputime64 += (__force u64)cputime;
-
-	/* Account for system time used */
-	acct_update_integrals(p);
-}

 /*
  * Account system cpu time to a process.
--
--
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