From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f198.google.com (mail-wr0-f198.google.com [209.85.128.198]) by kanga.kvack.org (Postfix) with ESMTP id 786556B0003 for ; Mon, 18 Jun 2018 03:13:59 -0400 (EDT) Received: by mail-wr0-f198.google.com with SMTP id f7-v6so11329421wrq.19 for ; Mon, 18 Jun 2018 00:13:59 -0700 (PDT) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id 200-v6sor2135210wmw.32.2018.06.18.00.13.57 for (Google Transport Security); Mon, 18 Jun 2018 00:13:57 -0700 (PDT) Date: Mon, 18 Jun 2018 09:13:56 +0200 From: Oscar Salvador Subject: Re: [PATCH 0/4] Small cleanup for memoryhotplug Message-ID: <20180618071355.GA18238@techadventures.net> References: <20180601125321.30652-1-osalvador@techadventures.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180601125321.30652-1-osalvador@techadventures.net> Sender: owner-linux-mm@kvack.org List-ID: To: akpm@linux-foundation.org Cc: mhocko@suse.com, vbabka@suse.cz, pasha.tatashin@oracle.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Oscar Salvador On Fri, Jun 01, 2018 at 02:53:17PM +0200, osalvador@techadventures.net wrote: > From: Oscar Salvador > > > Hi, > > I wanted to give it a try and do a small cleanup in the memhotplug's code. > A lot more could be done, but I wanted to start somewhere. > I tried to unify/remove duplicated code. > > The following is what this patchset does: > > 1) add_memory_resource() has code to allocate a node in case it was offline. > Since try_online_node has some code for that as well, I just made add_memory_resource() to > use that so we can remove duplicated code.. > This is better explained in patch 1/4. > > 2) register_mem_sect_under_node() will be called only from link_mem_sections() > > 3) Get rid of link_mem_sections() in favour of walk_memory_range() with a callback to > register_mem_sect_under_node() > > 4) Drop unnecessary checks from register_mem_sect_under_node() > > > I have done some tests and I could not see anything broken because of > this patchset. > > Oscar Salvador (4): > mm/memory_hotplug: Make add_memory_resource use __try_online_node > mm/memory_hotplug: Call register_mem_sect_under_node > mm/memory_hotplug: Get rid of link_mem_sections > mm/memory_hotplug: Drop unnecessary checks from > register_mem_sect_under_node > > drivers/base/memory.c | 2 - > drivers/base/node.c | 52 +++++--------------------- > include/linux/node.h | 21 +++++------ > mm/memory_hotplug.c | 101 ++++++++++++++++++++++++++------------------------ > 4 files changed, 71 insertions(+), 105 deletions(-) > > -- > 2.13.6 > Hi, maybe this can get reviewed now that the merge window is closed. Thanks Best Regards Oscar Salvador