Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 43E8EC636D4 for ; Wed, 15 Feb 2023 16:37:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229716AbjBOQhT (ORCPT ); Wed, 15 Feb 2023 11:37:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45654 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229603AbjBOQhQ (ORCPT ); Wed, 15 Feb 2023 11:37:16 -0500 Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A8933C22 for ; Wed, 15 Feb 2023 08:37:01 -0800 (PST) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id C7F40339B4; Wed, 15 Feb 2023 16:36:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1676479019; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=VLQ6rU7zz0HJVa8gDPYeX8nHAvog15O6NivjpTe4eMg=; b=V22reOGYwN8altkRfmZtMUKWNeSgDcBVzdOC0Hr3wEuoEoy0wGsweVJs3DNGsXb/laMCxi eJcEyb3ZYfM/4XAC7sp+B7TlegjIguX+8s0OSkwtyhIRTrdd9oPLStd1PXRmSbK2SQYFqX Hg0/L3wlLblgW56Mys652DTmw2HNGqw= Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 9FBC713483; Wed, 15 Feb 2023 16:36:59 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id 9JcYJCsK7WP+QwAAMHmgww (envelope-from ); Wed, 15 Feb 2023 16:36:59 +0000 Date: Wed, 15 Feb 2023 17:36:58 +0100 From: Michal Hocko To: Qi Zheng Cc: akpm@linux-foundation.org, vbabka@suse.cz, david@redhat.com, rppt@kernel.org, willy@infradead.org, mgorman@techsingularity.net, osalvador@suse.de, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/2] handle memoryless nodes more appropriately Message-ID: References: <20230215152412.13368-1-zhengqi.arch@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230215152412.13368-1-zhengqi.arch@bytedance.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed 15-02-23 23:24:10, Qi Zheng wrote: > Hi all, > > Currently, in the process of initialization or offline memory, memoryless > nodes will still be built into the fallback list of itself or other nodes. > > This is not what we expected, so this patch series removes memoryless > nodes from the fallback list entirely. > > Comments and suggestions are welcome. This is a tricky area full of surprises and it is really easy to introduce new problems. What kind of problem/issue are you trying to solve/handle by these changes? -- Michal Hocko SUSE Labs