From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ed1-f71.google.com (mail-ed1-f71.google.com [209.85.208.71]) by kanga.kvack.org (Postfix) with ESMTP id 0D08A8E0161 for ; Thu, 13 Dec 2018 10:35:00 -0500 (EST) Received: by mail-ed1-f71.google.com with SMTP id v4so1296154edm.18 for ; Thu, 13 Dec 2018 07:34:59 -0800 (PST) Received: from mx1.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id n9si920426eda.325.2018.12.13.07.34.58 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 13 Dec 2018 07:34:58 -0800 (PST) Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id ED7EFADD7 for ; Thu, 13 Dec 2018 15:34:57 +0000 (UTC) Date: Thu, 13 Dec 2018 15:34:56 +0000 From: Mel Gorman Subject: Re: [PATCH 4/6] mm: migrate: Provide buffer_migrate_page_norefs() Message-ID: <20181213153456.GD28934@suse.de> References: <20181211172143.7358-1-jack@suse.cz> <20181211172143.7358-5-jack@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20181211172143.7358-5-jack@suse.cz> Sender: owner-linux-mm@kvack.org List-ID: To: Jan Kara Cc: linux-mm@kvack.org, mhocko@suse.cz On Tue, Dec 11, 2018 at 06:21:41PM +0100, Jan Kara wrote: > Provide a variant of buffer_migrate_page() that also checks whether > there are no unexpected references to buffer heads. This function will > then be safe to use for block device pages. > > Signed-off-by: Jan Kara Acked-by: Mel Gorman -- Mel Gorman SUSE Labs