The unit_map[] array has "nr_cpu_ids" number of elements. It's allocated a few lines earlier in the function. So this test should be >= instead of >. Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- Static checker stuff. Not tested. diff --git a/mm/percpu.c b/mm/percpu.c index 014bab6..d39e2f4 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -1591,7 +1591,7 @@ int __init pcpu_setup_first_chunk(const struct pcpu_alloc_info *ai, if (cpu == NR_CPUS) continue; - PCPU_SETUP_BUG_ON(cpu > nr_cpu_ids); + PCPU_SETUP_BUG_ON(cpu >= nr_cpu_ids); PCPU_SETUP_BUG_ON(!cpu_possible(cpu)); PCPU_SETUP_BUG_ON(unit_map[cpu] != UINT_MAX); -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html