linux-kernel - Re: [PATCH 2/3] x86/mm/numa: use setup_nr_node

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Date:	Tue, 26 Mar 2013 10:56:58 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	Cody P Schafer <cody@...ux.vnet.ibm.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Paul Mackerras <paulus@...ba.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: [PATCH 2/3] x86/mm/numa: use setup_nr_node_ids() instead of opencoding.

On Tue, Mar 26, 2013 at 10:46 AM, Cody P Schafer
<cody@...ux.vnet.ibm.com> wrote:
> Signed-off-by: Cody P Schafer <cody@...ux.vnet.ibm.com>
> ---
>  arch/x86/mm/numa.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
> index 72fe01e..a71c4e2 100644
> --- a/arch/x86/mm/numa.c
> +++ b/arch/x86/mm/numa.c
> @@ -114,14 +114,11 @@ void numa_clear_node(int cpu)
>   */
>  void __init setup_node_to_cpumask_map(void)
>  {
> -       unsigned int node, num = 0;
> +       unsigned int node;
>
>         /* setup nr_node_ids if not done yet */
> -       if (nr_node_ids == MAX_NUMNODES) {
> -               for_each_node_mask(node, node_possible_map)
> -                       num = node;
> -               nr_node_ids = num + 1;
> -       }
> +       if (nr_node_ids == MAX_NUMNODES)
> +               setup_nr_node_ids();

For 1 and 2,

Acked-by: Yinghai Lu <yinghai@...nel.org>
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