linux-kernel - Re: [PATCH v2] x86/apic: Use smaller array for __apicid_to

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Message-ID: <alpine.DEB.2.11.1510091614020.6097@nanos>
Date:	Fri, 9 Oct 2015 16:15:35 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Daniel J Blueman <daniel@...ascale.com>
cc:	Ingo Molnar <mingo@...nel.org>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	Len Brown <len.brown@...el.com>,
	Steffen Persvold <sp@...ascale.com>,
	linux-kernel@...r.kernel.org, x86@...nel.org
Subject: Re: [PATCH v2] x86/apic: Use smaller array for __apicid_to_node[]
 mapping

On Mon, 5 Oct 2015, Daniel J Blueman wrote:
> +struct apicid_to_node {
> +	int apicid;
> +	s16 node;
> +};

Instead of having this array, why don't you use a radix tree and be
done with it?

Thanks,

	tglx
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