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Red Hat Bugzilla – Attachment 870669 Details for
Bug 1065304
kernel/sched: incorrect setup of sched_group->cpu_power for NUMA systems
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[patch]
sched/numa: fix cpu_power initialization
numa.patch (text/plain), 470 bytes, created by
Radim Krčmář
on 2014-03-04 21:53:51 UTC
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Description:
sched/numa: fix cpu_power initialization
Filename:
MIME Type:
Creator:
Radim Krčmář
Created:
2014-03-04 21:53:51 UTC
Size:
470 bytes
patch
obsolete
>diff --git a/kernel/sched.c b/kernel/sched.c >index f8dca86..5acae5a 100644 >--- a/kernel/sched.c >+++ b/kernel/sched.c >@@ -9189,6 +9189,9 @@ static void init_numa_sched_groups_power(struct sched_group *group_head) > } > > sg->cpu_power += sd->groups->cpu_power; >+ /* discharge our initial estimate */ >+ sg->cpu_power -= SCHED_LOAD_SCALE * cpumask_weight( >+ sched_group_cpus(sd->groups)); > } > sg = sg->next; > } while (sg != group_head);
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