netdev - Re: [PATCH][net-next] net: replace num_possible_cpus with nr_cpu

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Date:   Sun, 08 Jul 2018 13:04:22 +0900 (KST)
From:   David Miller <davem@...emloft.net>
To:     lirongqing@...du.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH][net-next] net: replace num_possible_cpus with
 nr_cpu_ids

From: Li RongQing <lirongqing@...du.com>
Date: Fri,  6 Jul 2018 17:33:36 +0800

> The return of num_possible_cpus() is same as nr_cpu_ids, but
> nr_cpu_ids can reduce cpu computation
> 
> Signed-off-by: Li RongQing <lirongqing@...du.com>

These two numbers are not the same, in fact num_possible_cpus() can be
and often is smaller than nr_cpu_ids.