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 550E6C43461 for ; Wed, 16 Sep 2020 12:53:04 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id ABB7F22272 for ; Wed, 16 Sep 2020 12:53:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ABB7F22272 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 40E108E0001; Wed, 16 Sep 2020 08:53:03 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3955D6B006C; Wed, 16 Sep 2020 08:53:03 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 25E2E8E0001; Wed, 16 Sep 2020 08:53:03 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0184.hostedemail.com [216.40.44.184]) by kanga.kvack.org (Postfix) with ESMTP id 0C95C6B0068 for ; Wed, 16 Sep 2020 08:53:03 -0400 (EDT) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id C2BD68249980 for ; Wed, 16 Sep 2020 12:53:02 +0000 (UTC) X-FDA: 77268914604.30.blade02_2501c2e2711a Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin30.hostedemail.com (Postfix) with ESMTP id 835C4180B3AA7 for ; Wed, 16 Sep 2020 12:53:02 +0000 (UTC) X-HE-Tag: blade02_2501c2e2711a X-Filterd-Recvd-Size: 3246 Received: from out30-45.freemail.mail.aliyun.com (out30-45.freemail.mail.aliyun.com [115.124.30.45]) by imf11.hostedemail.com (Postfix) with ESMTP for ; Wed, 16 Sep 2020 12:53:01 +0000 (UTC) X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R921e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01424;MF=richard.weiyang@linux.alibaba.com;NM=1;PH=DS;RN=18;SR=0;TI=SMTPD_---0U97eAyT_1600260776; Received: from localhost(mailfrom:richard.weiyang@linux.alibaba.com fp:SMTPD_---0U97eAyT_1600260776) by smtp.aliyun-inc.com(127.0.0.1); Wed, 16 Sep 2020 20:52:56 +0800 Date: Wed, 16 Sep 2020 20:52:56 +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 , Wei Liu , Michal Hocko , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Pankaj Gupta , Baoquan He , Wei Yang Subject: Re: [PATCH v4 8/8] hv_balloon: try to merge system ram resources Message-ID: <20200916125256.GB48127@L-31X9LVDL-1304.local> Reply-To: Wei Yang References: <20200911103459.10306-1-david@redhat.com> <20200911103459.10306-9-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200911103459.10306-9-david@redhat.com> X-Rspamd-Queue-Id: 835C4180B3AA7 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 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 12:34:59PM +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: Wei Liu >Cc: Andrew Morton >Cc: Michal Hocko >Cc: "K. Y. Srinivasan" >Cc: Haiyang Zhang >Cc: Stephen Hemminger >Cc: Wei Liu >Cc: Pankaj Gupta >Cc: Baoquan He >Signed-off-by: David Hildenbrand Reviewed-by: Wei Yang >--- > drivers/hv/hv_balloon.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > >diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c >index 3c0d52e244520..b64d2efbefe71 100644 >--- a/drivers/hv/hv_balloon.c >+++ b/drivers/hv/hv_balloon.c >@@ -726,7 +726,7 @@ static void hv_mem_hot_add(unsigned long start, unsigned long size, > > nid = memory_add_physaddr_to_nid(PFN_PHYS(start_pfn)); > ret = add_memory(nid, PFN_PHYS((start_pfn)), >- (HA_CHUNK << PAGE_SHIFT), MHP_NONE); >+ (HA_CHUNK << PAGE_SHIFT), MEMHP_MERGE_RESOURCE); > > if (ret) { > pr_err("hot_add memory failed error is %d\n", ret); >-- >2.26.2 -- Wei Yang Help you, Help me