selftests/futex: Set the home_node in futex_numa_mpol

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The test fails at the MPOL step if multiple nodes are available. The
reason is that mbind() sets the policy but the home_node, which is
retrieved by the futex code, is not set. This causes to retrieve the
current node and with multiple nodes it fails on one of the iterations.

Use numa_set_mempolicy_home_node() to set the expected node.
Use ksft_exit_fail_msg() to fail and exit in order not to confuse ktap.

Fixes: 3163369407 ("selftests/futex: Add futex_numa_mpol")
Suggested-by: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20250528085521.1938355-3-bigeasy@linutronix.de

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Sebastian Andrzej Siewior 2025-05-28 10:55:20 +02:00 • committed by Peter Zijlstra

parent 1a9dcf69c7

commit 0ecb4232fc

1 changed files with 6 additions and 2 deletions

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tools/testing/selftests/futex/functional/futex_numa_mpol.c

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