Fix the delay accounting regression introduced by commit
75d4ef16a6aa84f708188bada182315f80aab6fa. rq no longer has sched_info
data associated with it. task_struct sched_info structure is used by delay
accounting to provide back statistics to user space.
Signed-off-by: Balbir Singh <[email protected]>
---
kernel/sched_stats.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff -puN kernel/sched_stats.h~delayacct-define-bug kernel/sched_stats.h
--- linux-2.6-latest/kernel/sched_stats.h~delayacct-define-bug 2007-11-02 19:02:07.000000000 +0530
+++ linux-2.6-latest-balbir/kernel/sched_stats.h 2007-11-02 19:51:30.000000000 +0530
@@ -127,7 +127,7 @@ rq_sched_info_depart(struct rq *rq, unsi
# define schedstat_set(var, val) do { } while (0)
#endif
-#ifdef CONFIG_SCHEDSTATS
+#if defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT)
/*
* Called when a process is dequeued from the active array and given
* the cpu. We should note that with the exception of interactive
@@ -231,5 +231,5 @@ sched_info_switch(struct task_struct *pr
#else
#define sched_info_queued(t) do { } while (0)
#define sched_info_switch(t, next) do { } while (0)
-#endif /* CONFIG_SCHEDSTATS */
+#endif /* CONFIG_SCHEDSTATS || CONFIG_TASK_DELAY_ACCT */
_
--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL
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