linux-kernel - Re: [PATCH 02/17] mmzone: add various zone

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Message-ID: <50F6005B.1010900@linux.vnet.ibm.com>
Date:	Tue, 15 Jan 2013 17:20:27 -0800
From:	Dave Hansen <dave@...ux.vnet.ibm.com>
To:	Cody P Schafer <cody@...ux.vnet.ibm.com>
CC:	Linux MM <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Cody P Schafer <jmesmon@...il.com>
Subject: Re: [PATCH 02/17] mmzone: add various zone_*() helper functions.

On 01/15/2013 04:24 PM, Cody P Schafer wrote:
> +static inline bool zone_is_empty(struct zone *zone)
> +{
> +	return zone->spanned_pages == 0;
> +}

Why did you choose spanned_pages for this?

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