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-rw-r--r--kernel/cpuset.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 21a4e3b2cbda..e0d296c5b302 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -636,6 +636,23 @@ static void update_cpu_domains(struct cpuset *cur)
return;
/*
+ * Hack to avoid 2.6.13 partial node dynamic sched domain bug.
+ * Require the 'cpu_exclusive' cpuset to include all (or none)
+ * of the CPUs on each node, or return w/o changing sched domains.
+ * Remove this hack when dynamic sched domains fixed.
+ */
+ {
+ int i, j;
+
+ for_each_cpu_mask(i, cur->cpus_allowed) {
+ for_each_cpu_mask(j, node_to_cpumask(cpu_to_node(i))) {
+ if (!cpu_isset(j, cur->cpus_allowed))
+ return;
+ }
+ }
+ }
+
+ /*
* Get all cpus from parent's cpus_allowed not part of exclusive
* children
*/

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