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=-9.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED autolearn=ham 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 2C151C433E2 for ; Wed, 16 Sep 2020 12:53:00 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 9A7D222273 for ; Wed, 16 Sep 2020 12:52:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9A7D222273 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id EE38D6B0062; Wed, 16 Sep 2020 08:52:58 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id E92908E0003; Wed, 16 Sep 2020 08:52:58 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id D5C268E0001; Wed, 16 Sep 2020 08:52:58 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0241.hostedemail.com [216.40.44.241]) by kanga.kvack.org (Postfix) with ESMTP id B94E46B0062 for ; Wed, 16 Sep 2020 08:52:58 -0400 (EDT) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 73021181AEF1D for ; Wed, 16 Sep 2020 12:52:58 +0000 (UTC) X-FDA: 77268914436.22.stew21_29103202711a Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin22.hostedemail.com (Postfix) with ESMTP id 4602F18038E67 for ; Wed, 16 Sep 2020 12:52:58 +0000 (UTC) X-HE-Tag: stew21_29103202711a X-Filterd-Recvd-Size: 3441 Received: from out30-133.freemail.mail.aliyun.com (out30-133.freemail.mail.aliyun.com [115.124.30.133]) by imf04.hostedemail.com (Postfix) with ESMTP for ; Wed, 16 Sep 2020 12:52:53 +0000 (UTC) X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R811e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04400;MF=richard.weiyang@linux.alibaba.com;NM=1;PH=DS;RN=20;SR=0;TI=SMTPD_---0U97x1PB_1600260761; Received: from localhost(mailfrom:richard.weiyang@linux.alibaba.com fp:SMTPD_---0U97x1PB_1600260761) by smtp.aliyun-inc.com(127.0.0.1); Wed, 16 Sep 2020 20:52:41 +0800 Date: Wed, 16 Sep 2020 20:52:41 +0800 From: Wei Yang To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-mm@kvack.org, linux-hyperv@vger.kernel.org, xen-devel@lists.xenproject.org, linux-acpi@vger.kernel.org, linux-nvdimm@lists.01.org, linux-s390@vger.kernel.org, Andrew Morton , Juergen Gross , Andrew Morton , Michal Hocko , Boris Ostrovsky , Stefano Stabellini , Roger Pau =?iso-8859-1?Q?Monn=E9?= , Julien Grall , Pankaj Gupta , Baoquan He , Wei Yang Subject: Re: [PATCH v4 7/8] xen/balloon: try to merge system ram resources Message-ID: <20200916125241.GA48127@L-31X9LVDL-1304.local> Reply-To: Wei Yang References: <20200911103459.10306-1-david@redhat.com> <20200911103459.10306-8-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline In-Reply-To: <20200911103459.10306-8-david@redhat.com> X-Rspamd-Queue-Id: 4602F18038E67 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Sep 11, 2020 at 12:34:58PM +0200, David Hildenbrand wrote: >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. > >Reviewed-by: Juergen Gross >Cc: Andrew Morton >Cc: Michal Hocko >Cc: Boris Ostrovsky >Cc: Juergen Gross >Cc: Stefano Stabellini >Cc: Roger Pau Monn=E9 >Cc: Julien Grall >Cc: Pankaj Gupta >Cc: Baoquan He >Signed-off-by: David Hildenbrand Reviewed-by: Wei Yang >--- > drivers/xen/balloon.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c >index 9f40a294d398d..b57b2067ecbfb 100644 >--- a/drivers/xen/balloon.c >+++ b/drivers/xen/balloon.c >@@ -331,7 +331,7 @@ static enum bp_state reserve_additional_memory(void) > 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 >--=20 >2.26.2 --=20 Wei Yang Help you, Help me