linux-kernel - Re: [PATCH 4/5] mm, madvise: use vma_is

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Message-ID: <20150715235044.GC988@bgram>
Date:	Thu, 16 Jul 2015 08:50:45 +0900
From:	Minchan Kim <minchan@...nel.org>
To:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] mm, madvise: use vma_is_anonymous() to check for
 anon VMA

On Mon, Jul 13, 2015 at 01:54:11PM +0300, Kirill A. Shutemov wrote:
> !vma->vm_file is not reliable to detect anon VMA, because not all
> drivers bother set it. Let's use vma_is_anonymous() instead.
> 
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
> Cc: Minchan Kim <minchan@...nel.org>
Acked-by: Minchan Kim <minchan@...nel.org>

Thanks.

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