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[Xen-devel] [PATCH] libxl: bail from placement on non-NUMA boxes



If there only is 1 NUMA node, no need to go through placement
candidate selection, etc., we can just bail.

Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
---
 tools/libxl/libxl_numa.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/libxl/libxl_numa.c b/tools/libxl/libxl_numa.c
index 4fac664..94ca4fe 100644
--- a/tools/libxl/libxl_numa.c
+++ b/tools/libxl/libxl_numa.c
@@ -308,6 +308,11 @@ int libxl__get_numa_candidate(libxl__gc *gc,
     if (ninfo == NULL)
         return ERROR_FAIL;
 
+    if (nr_nodes <= 1) {
+        *cndt_found = 0;
+        goto out;
+    }
+
     GCNEW_ARRAY(vcpus_on_node, nr_nodes);
 
     /*


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