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smp: don't declare nr_cpu_ids if NR_CPUS == 1

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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>
This commit is contained in:
Yury Norov 2022-09-05 16:08:16 -07:00
parent b9be19eef3
commit 53fc190cc6
1 changed files with 2 additions and 0 deletions
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2
kernel/smp.c
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@ -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)