From 53fc190cc6771c5494d782210334d4ebb50c7103 Mon Sep 17 00:00:00 2001 From: Yury Norov Date: Mon, 5 Sep 2022 16:08:16 -0700 Subject: smp: don't declare nr_cpu_ids if NR_CPUS == 1 SMP and NR_CPUS are independent options, hence nr_cpu_ids may be declared even if NR_CPUS == 1, which is useless. Signed-off-by: Yury Norov --- kernel/smp.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'kernel/smp.c') diff --git a/kernel/smp.c b/kernel/smp.c index 650810a6f29b..e971c9626a1b 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -1088,9 +1088,11 @@ static int __init maxcpus(char *str) early_param("maxcpus", maxcpus); +#if (NR_CPUS > 1) /* Setup number of possible processor ids */ unsigned int nr_cpu_ids __read_mostly = NR_CPUS; EXPORT_SYMBOL(nr_cpu_ids); +#endif /* An arch may set nr_cpu_ids earlier if needed, so this would be redundant */ void __init setup_nr_cpu_ids(void) -- cgit v1.2.3