linux-kernel - Re: [PATCH] mm: fix __page_to_pfn for a const struct page argument

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Message-ID: <4E4C11AD.5030603@redhat.com>
Date:	Wed, 17 Aug 2011 15:08:29 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Ian Campbell <ian.campbell@...rix.com>
CC:	linux-kernel@...r.kernel.org,
	Andrea Arcangeli <aarcange@...hat.com>,
	Michel Lespinasse <walken@...gle.com>,
	Mel Gorman <mel@....ul.ie>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH] mm: fix __page_to_pfn for a const struct page argument

On 08/17/2011 12:40 PM, Ian Campbell wrote:
> This allows the cast in lowmem_page_address (introduced as a warning fixup to
> 33dd4e0ec911 "mm: make some struct page's const") to be removed.
>
> Propagate const'ness to page_to_section() as well since it is required by
> __page_to_pfn.
>
> Signed-off-by: Ian Campbell<ian.campbell@...rix.com>
> Cc: Andrea Arcangeli<aarcange@...hat.com>
> Cc: Rik van Riel<riel@...hat.com>
> Cc: Michel Lespinasse<walken@...gle.com>
> Cc: Mel Gorman<mel@....ul.ie>
> Cc: Andrew Morton<akpm@...ux-foundation.org>
> Cc: Linus Torvalds<torvalds@...ux-foundation.org>

Acked-by: Rik van Riel <riel@...hat.com>
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