linux-kernel - Re: [patch 12/13] GRU Driver V3 - export is_uv_system(), zap_page_range() & follow

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Date:	Fri, 4 Jul 2008 03:39:26 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	steiner@....com
Cc:	akpm@...l.org, linux-kernel@...r.kernel.org, mingo@...e.hu,
	tglx@...utronix.de, holt@....com, andrea@...ranet.com
Subject: Re: [patch 12/13] GRU Driver V3 -  export is_uv_system(),
	zap_page_range() & follow_page()

On Thu, Jul 03, 2008 at 04:34:00PM -0500, steiner@....com wrote:
> +EXPORT_SYMBOL_GPL(zap_page_range);
>  
>  /*
>   * Do a quick page-table lookup for a single page.
> @@ -1089,6 +1090,7 @@ no_page_table:
>  	}
>  	return page;
>  }
> +EXPORT_SYMBOL_GPL(follow_page);

NACK.

These should never be called by a driver and suggest you need to rething
your VM integration in this driver.

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