[tip:sched/core] sched/numa: Fix the new NUMA topology bits

From: tip-bot for Peter Zijlstra
Date: Mon May 14 2012 - 09:44:16 EST


Commit-ID: dd7d8634e619b715a537402672d1383535ff4c54
Gitweb: http://git.kernel.org/tip/dd7d8634e619b715a537402672d1383535ff4c54
Author: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
AuthorDate: Fri, 11 May 2012 00:56:20 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Mon, 14 May 2012 15:05:25 +0200

sched/numa: Fix the new NUMA topology bits

There's no need to convert a node number to a node number by
pretending its a cpu number..

Reported-by: Yinghai Lu <yinghai@xxxxxxxxxx>
Reported-and-Tested-by: Greg Pearson <greg.pearson@xxxxxx>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-0sqhrht34phowgclj12dgk8h@xxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
kernel/sched/core.c | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index b4f2096..0738036 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6395,8 +6395,7 @@ static void sched_init_numa(void)
sched_domains_numa_masks[i][j] = mask;

for (k = 0; k < nr_node_ids; k++) {
- if (node_distance(cpu_to_node(j), k) >
- sched_domains_numa_distance[i])
+ if (node_distance(j, k) > sched_domains_numa_distance[i])
continue;

cpumask_or(mask, mask, cpumask_of_node(k));
--
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