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Subject[tip:sched/domains] sched: Clean up some ALLNODES code
Commit-ID:  3739494e08da50c8a68d65eed5ba3012a54b40d4
Gitweb: http://git.kernel.org/tip/3739494e08da50c8a68d65eed5ba3012a54b40d4
Author: Peter Zijlstra <a.p.zijlstra@chello.nl>
AuthorDate: Thu, 7 Apr 2011 14:09:46 +0200
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Mon, 11 Apr 2011 12:58:18 +0200

sched: Clean up some ALLNODES code

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Nick Piggin <npiggin@kernel.dk>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20110407122942.025636011@chello.nl
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
kernel/sched.c | 11 ++++-------
1 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index 72d561f..fa10cf7 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -7280,7 +7280,9 @@ static void build_sched_groups(struct s_data *d, enum sched_domain_level l,
d->send_covered, d->tmpmask);

case SD_LV_ALLNODES:
- init_sched_build_groups(cpu_map, cpu_map, &cpu_to_allnodes_group,
+ if (cpu == cpumask_first(cpu_map))
+ init_sched_build_groups(cpu_map, cpu_map,
+ &cpu_to_allnodes_group,
d->send_covered, d->tmpmask);
break;
#endif
@@ -7331,14 +7333,9 @@ static int __build_sched_domains(const struct cpumask *cpu_map,
build_sched_groups(&d, SD_LV_MC, cpu_map, i);
build_sched_groups(&d, SD_LV_CPU, cpu_map, i);
build_sched_groups(&d, SD_LV_NODE, cpu_map, i);
+ build_sched_groups(&d, SD_LV_ALLNODES, cpu_map, i);
}

-#ifdef CONFIG_NUMA
- /* Set up node groups */
- if (d.sd_allnodes)
- build_sched_groups(&d, SD_LV_ALLNODES, cpu_map, 0);
-#endif
-
/* Calculate CPU power for physical packages and nodes */
#ifdef CONFIG_SCHED_SMT
for_each_cpu(i, cpu_map) {

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