Received: by 2002:a25:1506:0:0:0:0:0 with SMTP id 6csp51838ybv; Wed, 5 Feb 2020 00:57:59 -0800 (PST) X-Google-Smtp-Source: APXvYqxMk1+PCwgoLDQpEixqzCp3ENB+cDpIGwvVSfUiEnjankxIx86NQoUS+NYbIdFU4RiLxNwa X-Received: by 2002:aca:484a:: with SMTP id v71mr2158977oia.39.1580893079780; Wed, 05 Feb 2020 00:57:59 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1580893079; cv=none; d=google.com; s=arc-20160816; b=bcFKBmKRa52E3z5vTX/mZxob1MZQFKHoTfNo7NVrfAiK3cUTtlCWHQTAee6IV2tjSe krPBod8MBEHbRCydbpweHCmjbmpklXA3dDoRatDTv8C2/YUADvDVV6+ZhICxmRFM7kRx VA3eGmhtmGPK0H2g4Jg6pLL+hqwSS3VPFo8tDJGO4C3ldkaGWjET4zuNFOh0wOOQJ93K Ux+ze7uyz9zpbYl0IOS7oQ+w7UqF67JeHZrZgHBOz1STv9LXGuwgy3HRD3N5vJYmWwY3 WgMTNubZENotsiZWszJyc6DPNWJwBpqGOJpoXf3nTRkWNfH4K6RImMUiq73R8z44HMf+ MZtQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:reply-to:message-id :subject:cc:to:from:date; bh=wEBzSjBxR74T1saMlNIeSeQKDduueKIxoBIS6NP/x2w=; b=zPZ9lPlNzRmEwOuaagZabwAaFziXI3z3htCN3gvO3OtU/vfg3Gayi+ij/wUgGNaI0e oMTszlS1ohjOfF47wZxpdd+wiu79dqbDuZmhWeX+VaR7KROIvho1LivB6GZYg+M/57e8 VV1R8PIlVTvZ/CMK2Cb7LNcawxPP2SPILHI2ulZS7yLnBbOGD4Nv5dk/e3mC3VkUzSc6 ubE0V4gFGmfEFAKeZaonLVJlXM0pmq0cCHV/8M0SsBbA9X3gSkuSiRX0l3KkD9p/DTMn uZTRyx9doENmSVHWbHpZqVeTa3s0mwDlhBB21J95mxwxIijj21SqLo5S9nctVdqvo152 buqQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id l17si7118469otq.59.2020.02.05.00.57.47; Wed, 05 Feb 2020 00:57:59 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728119AbgBEI45 (ORCPT + 99 others); Wed, 5 Feb 2020 03:56:57 -0500 Received: from mga02.intel.com ([134.134.136.20]:2696 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727070AbgBEI45 (ORCPT ); Wed, 5 Feb 2020 03:56:57 -0500 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Feb 2020 00:56:55 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,405,1574150400"; d="scan'208";a="279310541" Received: from richard.sh.intel.com (HELO localhost) ([10.239.159.54]) by FMSMGA003.fm.intel.com with ESMTP; 05 Feb 2020 00:56:53 -0800 Date: Wed, 5 Feb 2020 16:57:09 +0800 From: Wei Yang To: David Hildenbrand Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, x86@kernel.org, Andrew Morton , Oscar Salvador , Michal Hocko , Pavel Tatashin , Dan Williams , Wei Yang Subject: Re: [PATCH v6 07/10] mm/memory_hotplug: We always have a zone in find_(smallest|biggest)_section_pfn Message-ID: <20200205085709.GA24162@richard> Reply-To: Wei Yang References: <20191006085646.5768-1-david@redhat.com> <20191006085646.5768-8-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191006085646.5768-8-david@redhat.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Oct 06, 2019 at 10:56:43AM +0200, David Hildenbrand wrote: >With shrink_pgdat_span() out of the way, we now always have a valid >zone. > >Cc: Andrew Morton >Cc: Oscar Salvador >Cc: David Hildenbrand >Cc: Michal Hocko >Cc: Pavel Tatashin >Cc: Dan Williams >Cc: Wei Yang >Signed-off-by: David Hildenbrand Reviewed-by: Wei Yang -- Wei Yang Help you, Help me