Messages in this thread | | | Date | Thu, 16 Oct 2008 12:58:27 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH 2/4] seq_file: Add seq_cpumask_list(), seq_nodemask_list() |
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On Sun, 12 Oct 2008 17:29:25 +0800 Lai Jiangshan <laijs@cn.fujitsu.com> wrote:
> +static inline int seq_cpumask_list(struct seq_file *m, cpumask_t *mask) > +{ > + return seq_bitmap_list(m, mask->bits, NR_CPUS); > +}
Is it possible to avoid using NR_CPUS? In some situations it'd be much more efficient to use the runtime-determined max possible cpu index.
But I don't immediately recall how to get at that number. num_possible_cpus() assumes that there are no holes in the CPU identifier list.
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