From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 02A92C43461 for ; Sun, 13 Sep 2020 00:01:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C4A4221655 for ; Sun, 13 Sep 2020 00:01:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599955309; bh=lVrK3UZdm8ntUYENLJs/lQ1NSQrejRhqNHkTkD+nGuQ=; h=Date:From:To:Subject:Reply-To:List-ID:From; b=0z8oyDH/RxJyw4MJlOqnuSWMrCd2asUx4duaVBh6EPnmcbclV9LkDMbYVltr1UswR a9i3hugXLyzTqFrxIW+nxn6hZxd+DrjywI629RFvKdayh823vXhS29f+jTVSmGdyMP 3+IMCG+nSjqdLOnsFVILRIjlI0k/t+qONt+eX910= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725906AbgIMABs (ORCPT ); Sat, 12 Sep 2020 20:01:48 -0400 Received: from mail.kernel.org ([198.145.29.99]:58056 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725911AbgIMABE (ORCPT ); Sat, 12 Sep 2020 20:01:04 -0400 Received: from X1 (unknown [209.33.215.130]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F0CE4217A0; Sun, 13 Sep 2020 00:01:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599955263; bh=lVrK3UZdm8ntUYENLJs/lQ1NSQrejRhqNHkTkD+nGuQ=; h=Date:From:To:Subject:From; b=pwtA33edAhGzsdLl4burMZoBw93r6kYyFdZCzjHX8IGnqzvOCkqTLPVKATqYXQVCP uvsrfUwr95DB1Hj9AO9q422KnpxqJOj8y+PYoCp7Y3jCa6GRHRqFMfuwWKBkbBCVQx 7IesSovabpLl1ftPb+hHUOlKUxj60eU6ATuCD+Zg= Date: Sat, 12 Sep 2020 17:01:01 -0700 From: akpm@linux-foundation.org To: mm-commits@vger.kernel.org, wei.liu@kernel.org, vishal.l.verma@intel.com, tglx@linutronix.de, sthemmin@microsoft.com, sstabellini@kernel.org, roger.pau@citrix.com, rjw@rjwysocki.net, richardw.yang@linux.intel.com, paulus@samba.org, pankaj.gupta.linux@gmail.com, oohall@gmail.com, nathanl@linux.ibm.com, mst@redhat.com, mpe@ellerman.id.au, mhocko@suse.com, lpechacek@suse.cz, leobras.c@gmail.com, lenb@kernel.org, kys@microsoft.com, kernelfans@gmail.com, keescook@chromium.org, julien@xen.org, jgross@suse.com, jgg@ziepe.ca, jasowang@redhat.com, hca@linux.ibm.com, haiyangz@microsoft.com, gregkh@linuxfoundation.org, gor@linux.ibm.com, ebiederm@xmission.com, dave.jiang@intel.com, dan.j.williams@intel.com, borntraeger@de.ibm.com, boris.ostrovsky@oracle.com, bhe@redhat.com, benh@kernel.crashing.org, ardb@kernel.org, anton@ozlabs.org, david@redhat.com Subject: + xen-balloon-try-to-merge-system-ram-resources.patch added to -mm tree Message-ID: <20200913000101.0TngL%akpm@linux-foundation.org> User-Agent: s-nail v14.9.10 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Sender: mm-commits-owner@vger.kernel.org Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: xen/balloon: try to merge system ram resources has been added to the -mm tree. Its filename is xen-balloon-try-to-merge-system-ram-resources.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/xen-balloon-try-to-merge-syst= em-ram-resources.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/xen-balloon-try-to-merge-syst= em-ram-resources.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing= your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: David Hildenbrand Subject: xen/balloon: try to merge system ram resources Let's try to merge system ram resources we add, to minimize the number of resources in /proc/iomem. We don't care about the boundaries of individual chunks we added. Link: https://lkml.kernel.org/r/20200911103459.10306-8-david@redhat.com Signed-off-by: David Hildenbrand Reviewed-by: Juergen Gross Cc: Michal Hocko Cc: Boris Ostrovsky Cc: Stefano Stabellini Cc: Roger Pau Monn=C3=A9 Cc: Julien Grall Cc: Pankaj Gupta Cc: Baoquan He Cc: Wei Yang Cc: Anton Blanchard Cc: Ard Biesheuvel Cc: Benjamin Herrenschmidt Cc: Christian Borntraeger Cc: Dan Williams Cc: Dave Jiang Cc: Eric Biederman Cc: Greg Kroah-Hartman Cc: Haiyang Zhang Cc: Heiko Carstens Cc: Jason Gunthorpe Cc: Jason Wang Cc: Kees Cook Cc: "K. Y. Srinivasan" Cc: Len Brown Cc: Leonardo Bras Cc: Libor Pechacek Cc: Michael Ellerman Cc: "Michael S. Tsirkin" Cc: Nathan Lynch Cc: "Oliver O'Halloran" Cc: Paul Mackerras Cc: Pingfan Liu Cc: "Rafael J. Wysocki" Cc: Stephen Hemminger Cc: Thomas Gleixner Cc: Vasily Gorbik Cc: Vishal Verma Cc: Wei Liu Signed-off-by: Andrew Morton --- drivers/xen/balloon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/xen/balloon.c~xen-balloon-try-to-merge-system-ram-resources +++ a/drivers/xen/balloon.c @@ -331,7 +331,7 @@ static enum bp_state reserve_additional_ mutex_unlock(&balloon_mutex); /* add_memory_resource() requires the device_hotplug lock */ lock_device_hotplug(); - rc =3D add_memory_resource(nid, resource, MHP_NONE); + rc =3D add_memory_resource(nid, resource, MEMHP_MERGE_RESOURCE); unlock_device_hotplug(); mutex_lock(&balloon_mutex); =20 _ Patches currently in -mm which might be from david@redhat.com are mm-page_alloc-tweak-comments-in-has_unmovable_pages.patch mm-page_isolation-exit-early-when-pageblock-is-isolated-in-set_migratetype_= isolate.patch mm-page_isolation-drop-warn_on_once-in-set_migratetype_isolate.patch mm-page_isolation-cleanup-set_migratetype_isolate.patch virtio-mem-dont-special-case-zone_movable.patch mm-document-semantics-of-zone_movable.patch mm-memory_hotplug-inline-__offline_pages-into-offline_pages.patch mm-memory_hotplug-enforce-section-granularity-when-onlining-offlining.patch mm-memory_hotplug-simplify-page-offlining.patch mm-page_alloc-simplify-__offline_isolated_pages.patch mm-memory_hotplug-drop-nr_isolate_pageblock-in-offline_pages.patch mm-page_isolation-simplify-return-value-of-start_isolate_page_range.patch mm-memory_hotplug-simplify-page-onlining.patch mm-page_alloc-drop-stale-pageblock-comment-in-memmap_init_zone.patch mm-pass-migratetype-into-memmap_init_zone-and-move_pfn_range_to_zone.patch mm-memory_hotplug-mark-pageblocks-migrate_isolate-while-onlining-memory.pat= ch kernel-resource-make-release_mem_region_adjustable-never-fail.patch kernel-resource-move-and-rename-ioresource_mem_driver_managed.patch mm-memory_hotplug-guard-more-declarations-by-config_memory_hotplug.patch mm-memory_hotplug-prepare-passing-flags-to-add_memory-and-friends.patch mm-memory_hotplug-memhp_merge_resource-to-specify-merging-of-system-ram-res= ources.patch virtio-mem-try-to-merge-system-ram-resources.patch xen-balloon-try-to-merge-system-ram-resources.patch hv_balloon-try-to-merge-system-ram-resources.patch