src/core/perfmodel/perfmodel_bus.c: free hwloc bitmap

src/core/perfmodel/perfmodel_bus.c

@@ -717,6 +717,7 @@ static void benchmark_all_gpu_devices(void)
 
 #ifdef STARPU_HAVE_HWLOC
 	hwloc_set_cpubind(hwtopology, former_cpuset, HWLOC_CPUBIND_THREAD);
+	hwloc_bitmap_free(former_cpuset);
 #elif __linux__
 	/* Restore the former affinity */
 	ret = sched_setaffinity(0, sizeof(former_process_affinity), &former_process_affinity);