numa: reduce code duplication by adding helper numa_get_node_for_cpu()

Replace repeated pattern

    for (i = 0; i < nb_numa_nodes; i++) {
        if (test_bit(idx, numa_info[i].node_cpu)) {
           ...
           break;

with a helper function to lookup numa node index for cpu.

Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Shannon Zhao <shannon.zhao@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/numa.c b/numa.c
index 6289f469bd..9c09e45e7d 100644
--- a/numa.c
+++ b/numa.c
@@ -550,3 +550,15 @@ MemdevList *qmp_query_memdev(Error **errp)
     object_child_foreach(obj, query_memdev, &list);
     return list;
 }
+
+int numa_get_node_for_cpu(int idx)
+{
+    int i;
+
+    for (i = 0; i < nb_numa_nodes; i++) {
+        if (test_bit(idx, numa_info[i].node_cpu)) {
+            break;
+        }
+    }
+    return i;
+}