From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) by kanga.kvack.org (Postfix) with ESMTP id E53DC6B026A for ; Wed, 10 Oct 2018 07:01:22 -0400 (EDT) Received: by mail-wm1-f71.google.com with SMTP id y6-v6so793669wmc.4 for ; Wed, 10 Oct 2018 04:01:22 -0700 (PDT) Received: from mail-sor-f41.google.com (mail-sor-f41.google.com. [209.85.220.41]) by mx.google.com with SMTPS id 190-v6sor10090777wmb.20.2018.10.10.04.01.21 for (Google Transport Security); Wed, 10 Oct 2018 04:01:21 -0700 (PDT) Date: Wed, 10 Oct 2018 13:01:19 +0200 From: Oscar Salvador Subject: Re: [PATCH v5 1/2] memory_hotplug: Free pages as higher order Message-ID: <20181010110119.GA20952@techadventures.net> References: <1538727006-5727-1-git-send-email-arunks@codeaurora.org> <20181010080724.GA20338@techadventures.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Arun KS Cc: kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, boris.ostrovsky@oracle.com, jgross@suse.com, akpm@linux-foundation.org, dan.j.williams@intel.com, mhocko@suse.com, vbabka@suse.cz, iamjoonsoo.kim@lge.com, gregkh@linuxfoundation.org, osalvador@suse.de, malat@debian.org, kirill.shutemov@linux.intel.com, jrdr.linux@gmail.com, yasu.isimatu@gmail.com, mgorman@techsingularity.net, aaron.lu@intel.com, devel@linuxdriverproject.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, xen-devel@lists.xenproject.org, vatsa@codeaurora.org, vinmenon@codeaurora.org, getarunks@gmail.com On Wed, Oct 10, 2018 at 04:21:16PM +0530, Arun KS wrote: > diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c > index e379e85..2416136 100644 > --- a/mm/memory_hotplug.c > +++ b/mm/memory_hotplug.c > @@ -690,9 +690,13 @@ static int online_pages_range(unsigned long start_pfn, > unsigned long nr_pages, > void *arg) > { > unsigned long onlined_pages = *(unsigned long *)arg; > + u64 t1, t2; > > + t1 = local_clock(); > if (PageReserved(pfn_to_page(start_pfn))) > onlined_pages = online_pages_blocks(start_pfn, nr_pages); > + t2 = local_clock(); > + trace_printk("time spend = %llu us\n", (t2-t1)/(1000)); > > online_mem_sections(start_pfn, start_pfn + nr_pages); Thanks ;-) -- Oscar Salvador SUSE L3