Re: [PATCH]kernel/sched_fair.c: the comment of thecalc_delta_fair() maybe not correctly
From: AmÃrico Wang
Date: Tue Apr 07 2009 - 12:57:00 EST
On Tue, Apr 07, 2009 at 02:33:06PM +0800, figo.zhang wrote:
>the comment of the calc_delta_fair() maybe not correctly, should be
>delta *= NICE_O_LOAD/se->load
>
>Signed-off-by: figo.zhang <figo.zhang@xxxxxxxxxxxxx>
Agreed.
But...
>
>diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
>index 3816f21..5134b45 100644
>--- a/kernel/sched_fair.c
>+++ b/kernel/sched_fair.c
>@@ -386,7 +386,7 @@ int sched_nr_latency_handler(struct ctl_table
>*table, int write, #endif
>
> /*
>- * delta /= w
>+ * delta *= NICE_O_LOAD/se->load
Is that an 'O' or '0'(zero)? It looks like an 'O' for me ...
Obviously, it should be '0' (zero). :)
> */
> static inline unsigned long
> calc_delta_fair(unsigned long delta, struct sched_entity *se)
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