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sched/fair: Polish comments for LOAD_AVG_MAX

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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 <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Leo Yan 2015-09-15 18:57:37 +08:00 • committed by Ingo Molnar
commit 84fb5a182d
1 changed files with 3 additions and 2 deletions
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5
kernel/sched/fair.c
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@ -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)