linux-kernel - Re: [RFC PATCH v1 16/19] mm/unicore32: fix stale comment about VALID

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Message-ID: <50160.128.237.237.232.1366053081.squirrel@mprc.pku.edu.cn>
Date:	Tue, 16 Apr 2013 03:11:21 +0800 (CST)
From:	"Xuetao Guan" <gxt@...c.pku.edu.cn>
To:	"Jiang Liu" <liuj97@...il.com>
Cc:	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Yinghai Lu" <yinghai@...nel.org>,
	"Jiang Liu" <jiang.liu@...wei.com>,
	"David Rientjes" <rientjes@...gle.com>,
	"Wen Congyang" <wency@...fujitsu.com>,
	"Mel Gorman" <mgorman@...e.de>, "Minchan Kim" <minchan@...nel.org>,
	"KAMEZAWA Hiroyuki" <kamezawa.hiroyu@...fujitsu.com>,
	"Michal Hocko" <mhocko@...e.cz>,
	"David Howells" <dhowells@...hat.com>,
	"Mark Salter" <msalter@...hat.com>,
	"Jianguo Wu" <wujianguo@...wei.com>, linux-mm@...ck.org,
	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
	"Guan Xuetao" <gxt@...c.pku.edu.cn>
Subject: Re: [RFC PATCH v1 16/19] mm/unicore32: fix stale comment about 
     VALID_PAGE()

> VALID_PAGE() has been removed from kernel long time ago,
> so fix the comment.
>
> Signed-off-by: Jiang Liu <jiang.liu@...wei.com>
> Cc: Guan Xuetao <gxt@...c.pku.edu.cn>
> Cc: linux-kernel@...r.kernel.org

Thanks,

Acked-by: Guan Xuetao <gxt@...c.pku.edu.cn>

> ---
>  arch/unicore32/include/asm/memory.h |    6 ------
>  1 file changed, 6 deletions(-)
>
> diff --git a/arch/unicore32/include/asm/memory.h
> b/arch/unicore32/include/asm/memory.h
> index 5eddb99..debafc4 100644
> --- a/arch/unicore32/include/asm/memory.h
> +++ b/arch/unicore32/include/asm/memory.h
> @@ -98,12 +98,6 @@
>  /*
>   * Conversion between a struct page and a physical address.
>   *
> - * Note: when converting an unknown physical address to a
> - * struct page, the resulting pointer must be validated
> - * using VALID_PAGE().  It must return an invalid struct page
> - * for any physical address not corresponding to a system
> - * RAM address.
> - *
>   *  page_to_pfn(page)	convert a struct page * to a PFN number
>   *  pfn_to_page(pfn)	convert a _valid_ PFN number to struct page *
>   *
> --
> 1.7.9.5
>

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