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sched: fix niced_granularity() shift 

fix niced_granularity(). This resulted in under-scheduling for
CPU-bound negative nice level tasks (and this in turn caused
higher than necessary latencies in nice-0 tasks).

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2007-09-05 14:32:49 +02:00
parent 7fd0d2dde9
commit a0dc72601d
1 changed files with 1 additions and 1 deletions
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2
kernel/sched_fair.c
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@ -291,7 +291,7 @@ niced_granularity(struct sched_entity *curr, unsigned long granularity)
/*
* It will always fit into 'long':
*/
return (long) (tmp >> WMULT_SHIFT);
return (long) (tmp >> (WMULT_SHIFT-NICE_0_SHIFT));
}
static inline void