Re: [PATCH] selftests/mm: skip migration tests if NUMA is unavailable

[Dev Jain <dev.jain@arm.com>]

On 18/02/26 10:09 pm, AnishMulay wrote:
> Currently, the migration test asserts that numa_available() returns 0.
> On systems where NUMA is not available (returning -1), such as certain
> ARM64 configurations or single-node systems, this assertion fails and
> crashes the test.
>
> Update the test to check the return value of numa_available(). If it
> is less than 0, skip the test gracefully instead of failing.
>
> This aligns the behavior with other MM selftests (like rmap) that
> skip when NUMA support is missing.
>
> Signed-off-by: AnishMulay <anishm7030@gmail.com>
> ---

Reviewed-by: Dev Jain <dev.jain@arm.com>

>  tools/testing/selftests/mm/migration.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/mm/migration.c b/tools/testing/selftests/mm/migration.c
> index ee24b88c2b248..60e78bbfc0e3e 100644
> --- a/tools/testing/selftests/mm/migration.c
> +++ b/tools/testing/selftests/mm/migration.c
> @@ -36,7 +36,8 @@ FIXTURE_SETUP(migration)
>  {
>  	int n;
>  
> -	ASSERT_EQ(numa_available(), 0);
> +	if (numa_available() < 0)
> +		SKIP(return, "NUMA not available");
>  	self->nthreads = numa_num_task_cpus() - 1;
>  	self->n1 = -1;
>  	self->n2 = -1;