From: Leo Yan <leo.yan@linaro.org>
To: Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
linux-kernel@vger.kernel.org
Cc: Leo Yan <leo.yan@linaro.org>
Subject: [PATCH] sched/fair: Polish comments for LOAD_AVG_MAX
Date: Tue, 15 Sep 2015 18:57:37 +0800 [thread overview]
Message-ID: <1442314657-14949-1-git-send-email-leo.yan@linaro.org> (raw)
Macro LOAD_AVG_MAX is defined far away from the precompuated tables
for decay calculation in code; So explicitly comments for this.
Also fix one typo: s/LOAD_MAX_AVG/LOAD_AVG_MAX.
Signed-off-by: Leo Yan <leo.yan@linaro.org>
---
kernel/sched/fair.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 6e2e348..b716e23 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -661,11 +661,12 @@ static unsigned long task_h_load(struct task_struct *p);
/*
* We choose a half-life close to 1 scheduling period.
- * Note: The tables below are dependent on this value.
+ * Note: The tables runnable_avg_yN_inv and runnable_avg_yN_sum are
+ * dependent on this value.
*/
#define LOAD_AVG_PERIOD 32
#define LOAD_AVG_MAX 47742 /* maximum possible load avg */
-#define LOAD_AVG_MAX_N 345 /* number of full periods to produce LOAD_MAX_AVG */
+#define LOAD_AVG_MAX_N 345 /* number of full periods to produce LOAD_AVG_MAX */
/* Give new sched_entity start runnable values to heavy its load in infant time */
void init_entity_runnable_average(struct sched_entity *se)
--
1.9.1
next reply other threads:[~2015-09-15 10:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-15 10:57 Leo Yan [this message]
2015-09-18 8:48 ` [tip:sched/core] " tip-bot for Leo Yan
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