linux-kernel - Re: [PATCH RFC] hotplug-memory: refactor online_pages to separate zone growth from page onlining

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Message-Id: <20080329133820.e692245d.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Sat, 29 Mar 2008 13:38:20 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Yasunori Goto <y-goto@...fujitsu.com>,
	Christoph Lameter <clameter@....com>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RFC] hotplug-memory: refactor online_pages to separate
 zone growth from page onlining


Hi,

On Fri, 28 Mar 2008 17:00:05 -0700
Jeremy Fitzhardinge <jeremy@...p.org> wrote:

> -	if (onlined_pages)
> +	if (onlined_pages) {
> +		struct memory_notify arg;
> +
> +		arg.start_pfn = pfn;  /* ? */
> +		arg.nr_pages = onlined_pages;
> +		arg.status_change_nid = -1;  /* ? */
> +
>  		memory_notify(MEM_ONLINE, &arg);
> +	}
I think you should add "onlined" member instead of reusing nr_pages.

But, in general, I have no objection to this way.

Thanks,
-Kame

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