> +void
> +verify_pages_on_nodes(int *status, unsigned int num, int *nodes)
> +{
> + unsigned int i;
> +
> + for (i = 0; i < num; i++) {
> + if (status[i] != nodes[i]) {
> + tst_resm(TFAIL, "page %d on node %d, "
> + "expected on node %d", i,
> + status[i], nodes[i]);
> + return;
> + }
The correct way to verify this would be to use get_mempolicy(..., MPOL_F_NODE|MPOL_F_ADDR, &node)
on each page and check if the node is correct.
> +void
> +check_config(unsigned int min_nodes)
> +{
> + if (numa_available() < 0) {
> + tst_resm(TCONF, "NUMA support is not available");
> + tst_exit();
> + }
> +
> + if (numa_max_node() < (min_nodes - 1)) {
> + tst_resm(TCONF, "atleast 2 NUMA nodes are required");
> + tst_exit();
> + }
> +
> + if (tst_kvercmp(2, 6, 18) < 0) {
> + tst_resm(TCONF, "2.6.18 or greater kernel required");
> + tst_exit();
> + }
This check seems unfortunate because the syscall might be backported.
-Andi
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