Andrew Morton writes:
> But I think it'd be better to do just a single raw_smp_processor_id() for
> this entire function:
>
> static void bh_lru_install(struct buffer_head *bh)
> {
> struct buffer_head *evictee = NULL;
> struct bh_lru *lru;
> + int cpu;
>
> check_irqs_on();
> bh_lru_lock();
> + cpu = raw_smp_processor_id();
> - lru = &__get_cpu_var(bh_lrus);
> + lru = per_cpu(bh_lrus, cpu);
Better still, use the __raw_get_cpu_var() that I introduced.
Paul.
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