From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ed1-f69.google.com (mail-ed1-f69.google.com [209.85.208.69]) by kanga.kvack.org (Postfix) with ESMTP id 932988E01C5 for ; Fri, 14 Dec 2018 04:26:28 -0500 (EST) Received: by mail-ed1-f69.google.com with SMTP id l45so2510434edb.1 for ; Fri, 14 Dec 2018 01:26:28 -0800 (PST) Received: from mx1.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id n4si1574052edr.163.2018.12.14.01.26.27 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 14 Dec 2018 01:26:27 -0800 (PST) Date: Fri, 14 Dec 2018 10:26:25 +0100 From: Jan Kara Subject: Re: [PATCH 4/6] mm: migrate: Provide buffer_migrate_page_norefs() Message-ID: <20181214092625.GC8896@quack2.suse.cz> References: <20181211172143.7358-1-jack@suse.cz> <20181211172143.7358-5-jack@suse.cz> <20181213205353.561d4f22fdb92efe57719b69@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181213205353.561d4f22fdb92efe57719b69@linux-foundation.org> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Jan Kara , linux-mm@kvack.org, mhocko@suse.cz, mgorman@suse.de On Thu 13-12-18 20:53:53, Andrew Morton wrote: > On Tue, 11 Dec 2018 18:21:41 +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. > > > > ... > > > > +EXPORT_SYMBOL(buffer_migrate_page_norefs); > > The export is presently unneeded and I don't think we expect that this > will be used by anything other than fs/block_dev.c? Good point. We can always re-add the export if someone needs it. Thanks for removing it! Honza -- Jan Kara SUSE Labs, CR