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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 17E4EC433F5 for ; Tue, 22 Mar 2022 23:58:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240792AbiCVX7x (ORCPT ); Tue, 22 Mar 2022 19:59:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60098 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230378AbiCVX7v (ORCPT ); Tue, 22 Mar 2022 19:59:51 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D26032CC92 for ; Tue, 22 Mar 2022 16:58:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1647993503; x=1679529503; h=from:to:cc:subject:references:date:in-reply-to: message-id:mime-version; bh=/GxhdKQcRNqZKx1OxrK2UpO2g0Q4Le5EpadCPUv1Y3U=; b=E2Qojn6pbYYVpCUXjTHGrwhZ6B5cr9oIaBTm3ZiNAkt1tO+tNZWSEM9s zMu1ek5+GGuOrntUgIdGz/CVQlTFrlxXcKaabHXvuUshg7YkgSrbrX54z EmUoihUT/fvSNyU44F97g88Jh1386SUMUaIhkHNyr1GXmCwzzQffEV8l1 USD9I/ACC/i0icVmfloW8VxfDKapd764PvgUAMyGJ4fqW08/Z272S4PwG 7voFA5Mce0bd9JPAGUAfXgV6FIiTKQTKp0pwAJYuHtI1pp4vPGmoR+6Z1 XoL/zvRzQdSLTSQZk20igb1YBjteYtuAFkzG/Asav27nquA0fJv8ey5LM Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10294"; a="321182437" X-IronPort-AV: E=Sophos;i="5.90,203,1643702400"; d="scan'208";a="321182437" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2022 16:57:22 -0700 X-IronPort-AV: E=Sophos;i="5.90,203,1643702400"; d="scan'208";a="649222711" Received: from yhuang6-desk2.sh.intel.com (HELO yhuang6-desk2.ccr.corp.intel.com) ([10.239.13.94]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2022 16:57:20 -0700 From: "Huang, Ying" To: Oscar Salvador Cc: Andrew Morton , Dave Hansen , Abhishek Goel , Baolin Wang , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] mm: Untangle config dependencies for demote-on-reclaim References: <20220322224016.4574-1-osalvador@suse.de> Date: Wed, 23 Mar 2022 07:57:17 +0800 In-Reply-To: <20220322224016.4574-1-osalvador@suse.de> (Oscar Salvador's message of "Tue, 22 Mar 2022 23:40:16 +0100") Message-ID: <87ils535ia.fsf@yhuang6-desk2.ccr.corp.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=ascii Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Oscar Salvador writes: > At the time demote-on-reclaim was introduced, it was tied to > CONFIG_HOTPLUG_CPU + CONFIG_MIGRATE, but that is not really > accurate. > > The only two things we need to depen on is CONFIG_NUMA + > CONFIG_MIGRATE, so clean this up. > Furthermore, we only register the hotplug memory notifier > when the system has CONFIG_MEMORY_HOTPLUG. > > Signed-off-by: Oscar Salvador > Suggested-by: "Huang, Ying" LGTM! Thanks! Reviewed-by: "Huang, Ying" Best Regards, Huang, Ying