linux-kernel - Re: [PATCH R2 5/7] xen/balloon: Protect before CPU exhaust by event/x process

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Date:	Thu, 30 Dec 2010 11:26:11 -0500
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Daniel Kiper <dkiper@...-space.pl>
Cc:	ian.campbell@...rix.com, akpm@...ux-foundation.org,
	andi.kleen@...el.com, haicheng.li@...ux.intel.com,
	fengguang.wu@...el.com, jeremy@...p.org,
	dan.magenheimer@...cle.com, v.tolstov@...fip.ru,
	xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH R2 5/7] xen/balloon: Protect before CPU exhaust by
 event/x process

> -static int increase_reservation(unsigned long nr_pages)
> +static enum bp_state increase_reservation(unsigned long nr_pages)
>  {
> +	enum bp_state state = BP_DONE;
> +	int rc;
>  	unsigned long  pfn, i, flags;
>  	struct page   *page;
> -	long           rc;

How come? Is it just a cleanup?
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