# HG changeset patch
# User Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>
# Date 1327384410 -3600
# Node ID 08232960ff4bed750d26e5f1ff53972fee9e0130
# Parent  99f98e501f226825fbf16f6210b4b7834dff5df1
switch to dynamically allocated cpumask in domain_update_node_affinity()

cpumasks should rather be allocated dynamically.

Signed-off-by: juergen.gross@xxxxxxxxxxxxxx

diff -r 99f98e501f22 -r 08232960ff4b xen/common/domain.c
--- a/xen/common/domain.c	Tue Jan 24 06:53:06 2012 +0100
+++ b/xen/common/domain.c	Tue Jan 24 06:53:30 2012 +0100
@@ -333,23 +333,27 @@ struct domain *domain_create(
 
 void domain_update_node_affinity(struct domain *d)
 {
-    cpumask_t cpumask;
+    cpumask_var_t cpumask;
     nodemask_t nodemask = NODE_MASK_NONE;
     struct vcpu *v;
     unsigned int node;
 
-    cpumask_clear(&cpumask);
+    if ( !zalloc_cpumask_var(&cpumask) )
+        return;
+
     spin_lock(&d->node_affinity_lock);
 
     for_each_vcpu ( d, v )
-        cpumask_or(&cpumask, &cpumask, v->cpu_affinity);
+        cpumask_or(cpumask, cpumask, v->cpu_affinity);
 
     for_each_online_node ( node )
-        if ( cpumask_intersects(&node_to_cpumask(node), &cpumask) )
+        if ( cpumask_intersects(&node_to_cpumask(node), cpumask) )
             node_set(node, nodemask);
 
     d->node_affinity = nodemask;
     spin_unlock(&d->node_affinity_lock);
+
+    free_cpumask_var(cpumask);
 }