linux-kernel - Re: [PATCH 1/6] mm: use vma_pages() to replace (vm_end

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Message-ID: <CANN689FaU+1x8txgiDEhjTKV+QEBXRhA9J6hTRHu0+jJjsEyDQ@mail.gmail.com>
Date:	Thu, 18 Apr 2013 00:58:48 -0700
From:	Michel Lespinasse <walken@...gle.com>
To:	Libin <huawei.libin@...wei.com>
Cc:	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	David Airlie <airlied@...ux.ie>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"Hans J. Koch" <hjk@...sjkoch.de>,
	Petr Vandrovec <petr@...drovec.name>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Konstantin Khlebnikov <khlebnikov@...nvz.org>,
	Thomas Hellstrom <thellstrom@...are.com>,
	Dave Airlie <airlied@...hat.com>,
	Nadia Yvette Chambers <nyc@...omorphy.com>,
	Jiri Kosina <jkosina@...e.cz>,
	Al Viro <viro@...iv.linux.org.uk>,
	Mel Gorman <mgorman@...e.de>, Hugh Dickins <hughd@...gle.com>,
	Rik van Riel <riel@...hat.com>,
	David Rientjes <rientjes@...gle.com>,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	linux-pci@...r.kernel.org, linux-mm@...ck.org,
	guohanjun@...wei.com, wangyijing@...wei.com
Subject: Re: [PATCH 1/6] mm: use vma_pages() to replace (vm_end - vm_start) >> PAGE_SHIFT

On Mon, Apr 15, 2013 at 5:48 AM, Libin <huawei.libin@...wei.com> wrote:
> (*->vm_end - *->vm_start) >> PAGE_SHIFT operation is implemented
> as a inline funcion vma_pages() in linux/mm.h, so using it.
>
> Signed-off-by: Libin <huawei.libin@...wei.com>

Looks good to me.

Reviewed-by: Michel Lespinasse <walken@...gle.com>

-- 
Michel "Walken" Lespinasse
A program is never fully debugged until the last user dies.
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