[tip:sched/core] sched: Fix the sched group node allocation for SD_OVERLAP domains

tip-bot for Suresh Siddha
2011-12-06T09:52:32Z

Commit-ID: 4d78a2239e393f09e0964a2f8da394cc91d75155
Gitweb: http://git.kernel.org/tip/4d78a2239e393f09e0964a2f8da394cc91d75155
Author: Suresh Siddha <suresh.b.siddha@intel.com>
AuthorDate: Fri, 18 Nov 2011 15:03:29 -0800
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Tue, 6 Dec 2011 09:06:26 +0100

sched: Fix the sched group node allocation for SD_OVERLAP domains

For the SD_OVERLAP domain, sched_groups for each CPU's sched_domain are
privately allocated and not shared with any other cpu. So the
sched group allocation should come from the cpu's node for which
SD_OVERLAP sched domain is being setup.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20111118230554.164910950@sbsiddha-desk.sc.intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
kernel/sched/core.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index db313c3..07f1e99 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5885,7 +5885,7 @@ build_overlap_sched_groups(struct sched_domain *sd, int cpu)
continue;

sg = kzalloc_node(sizeof(struct sched_group) + cpumask_size(),
- GFP_KERNEL, cpu_to_node(i));
+ GFP_KERNEL, cpu_to_node(cpu));

if (!sg)
goto fail;