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authorAndrew Morton <akpm@linux-foundation.org>2008-09-22 14:55:46 -0700
committerIngo Molnar <mingo@elte.hu>2008-09-23 11:02:31 +0200
commit006c75f146e58e080d2b2725a6664f71886e112b (patch)
tree63d4e651021422aa1b316568661c6a104aeb2ba1 /kernel/sched.c
parentcaea8a03702c147e8ae90da0801e7ba8297b1d46 (diff)
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sched: clarify ifdef tangle
- Add some comments to try to make the ifdef puzzle a bit clearer - Explicitly inline one of the three init_hrtick() implementations. Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched.c')
-rw-r--r--kernel/sched.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index ad9d39b..927c930 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1102,7 +1102,7 @@ static void hrtick_start(struct rq *rq, u64 delay)
hrtimer_start(&rq->hrtick_timer, ns_to_ktime(delay), HRTIMER_MODE_REL);
}
-static void init_hrtick(void)
+static inline void init_hrtick(void)
{
}
#endif /* CONFIG_SMP */
@@ -1121,7 +1121,7 @@ static void init_rq_hrtick(struct rq *rq)
rq->hrtick_timer.function = hrtick;
rq->hrtick_timer.cb_mode = HRTIMER_CB_IRQSAFE_NO_SOFTIRQ;
}
-#else
+#else /* CONFIG_SCHED_HRTICK */
static inline void hrtick_clear(struct rq *rq)
{
}
@@ -1133,7 +1133,7 @@ static inline void init_rq_hrtick(struct rq *rq)
static inline void init_hrtick(void)
{
}
-#endif
+#endif /* CONFIG_SCHED_HRTICK */
/*
* resched_task - mark a task 'to be rescheduled now'.
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