add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/tools/testing/radix-tree/regression1.c
..
..
@@ -177,7 +177,7 @@
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 	nr_threads = 2;
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 	pthread_barrier_init(&worker_barrier, NULL, nr_threads);
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-	threads = malloc(nr_threads * sizeof(pthread_t *));
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+	threads = malloc(nr_threads * sizeof(*threads));
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 	for (i = 0; i < nr_threads; i++) {
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 		arg = i;