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| author |   Yury Norov <yury.norov@gmail.com> | 2022-09-05 16:08:16 -0700 |
|---|---|---|
| committer | Yury Norov <yury.norov@gmail.com> | 2022-09-19 17:51:53 -0700 |
| commit | 53fc190cc6771c5494d782210334d4ebb50c7103 (patch) | |
| tree | d2ba0184cc013f7112be283a5cd4e70c828af392 | |
| parent | drivers/base: Fix unsigned comparison to -1 in CPUMAP_FILE_MAX_BYTES (diff) | |
| download | linux-dev-53fc190cc6771c5494d782210334d4ebb50c7103.tar.xz linux-dev-53fc190cc6771c5494d782210334d4ebb50c7103.zip | |
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 <yury.norov@gmail.com>
| -rw-r--r-- | kernel/smp.c | 2 |
1 files changed, 2 insertions, 0 deletions
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) |