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| author | Yury Norov <yury.norov@gmail.com> | 2022-09-05 16:08:17 -0700 |
|---|---|---|
| committer | Yury Norov <yury.norov@gmail.com> | 2022-09-19 17:51:53 -0700 |
| commit | 38bef8e57f2149acd2c910a98f57dd6291d2e0ec (patch) | |
| tree | c4a62158f1967502fa801529406a5a04624048f2 /kernel/smp.c | |
| parent | 53fc190cc6771c5494d782210334d4ebb50c7103 (diff) | |
| download | linux-38bef8e57f2149acd2c910a98f57dd6291d2e0ec.tar.gz linux-38bef8e57f2149acd2c910a98f57dd6291d2e0ec.tar.bz2 linux-38bef8e57f2149acd2c910a98f57dd6291d2e0ec.zip | |
smp: add set_nr_cpu_ids()
In preparation to support compile-time nr_cpu_ids, add a setter for
the variable.
This is a no-op for all arches.
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Diffstat (limited to 'kernel/smp.c')
| -rw-r--r-- | kernel/smp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/smp.c b/kernel/smp.c index e971c9626a1b..150310a0947a 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -1070,7 +1070,7 @@ static int __init nrcpus(char *str) int nr_cpus; if (get_option(&str, &nr_cpus) && nr_cpus > 0 && nr_cpus < nr_cpu_ids) - nr_cpu_ids = nr_cpus; + set_nr_cpu_ids(nr_cpus); return 0; } @@ -1097,7 +1097,7 @@ EXPORT_SYMBOL(nr_cpu_ids); /* An arch may set nr_cpu_ids earlier if needed, so this would be redundant */ void __init setup_nr_cpu_ids(void) { - nr_cpu_ids = find_last_bit(cpumask_bits(cpu_possible_mask),NR_CPUS) + 1; + set_nr_cpu_ids(find_last_bit(cpumask_bits(cpu_possible_mask), NR_CPUS) + 1); } /* Called by boot processor to activate the rest. */ |