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[2620:137:e000::1:20]) by mx.google.com with ESMTP id k11-20020a170902d58b00b001a6f0eab385si8667300plh.55.2023.07.10.00.24.02; Mon, 10 Jul 2023 00:24:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b=KvcIZXVh; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230214AbjGJGyR (ORCPT + 99 others); Mon, 10 Jul 2023 02:54:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229562AbjGJGyP (ORCPT ); Mon, 10 Jul 2023 02:54:15 -0400 Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1DA22DB for ; Sun, 9 Jul 2023 23:54:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1688972054; x=1720508054; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=StiLZhLWn7Z69DFoSKxAgS1TT5csxVbyfqe4weLYf7A=; b=KvcIZXVhndf3kjzfkZ7XyGzRk4Z6LO1JBg5ZxkqzhLAxFA6GkHpWwhz7 97+FWkxtuPdS6QQ90CoIchucQ07pzfgqePSMYzpW+nrY/34RRUf8/TBHG awtqMvU2BlaH9C8PakEVBG/w0Y3Y08mSFpd+Ar/xakGnBYQfnIo6X8JG7 Ffuk8cCHzz+w/Plf7mog+g+HiXSrA5tqRDQwe4ZeN9AP6QYeSqtxfoh00 mLiC4++cUHqK9HRT+/avj6RBrBG59DqM5PsPSuAzNvpO5BHwKtG64nUVc jZXmjP2a9Pf/IKMnh4lkvYsyuyRSTXpkuv6DqJvk80HjZtz1ncyqTeVJS g==; X-IronPort-AV: E=McAfee;i="6600,9927,10766"; a="427961482" X-IronPort-AV: E=Sophos;i="6.01,194,1684825200"; d="scan'208";a="427961482" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2023 23:54:13 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10766"; a="750240533" X-IronPort-AV: E=Sophos;i="6.01,194,1684825200"; d="scan'208";a="750240533" Received: from zhanggua-mobl.ccr.corp.intel.com (HELO yhuang6-mobl2.ccr.corp.intel.com) ([10.255.29.223]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2023 23:54:10 -0700 From: Huang Ying To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Arjan Van De Ven , Huang Ying , Andrew Morton , Mel Gorman , Vlastimil Babka , David Hildenbrand , Johannes Weiner , Dave Hansen , Michal Hocko , Pavel Tatashin , Matthew Wilcox Subject: [RFC 0/2] mm: PCP high auto-tuning Date: Mon, 10 Jul 2023 14:53:23 +0800 Message-Id: <20230710065325.290366-1-ying.huang@intel.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1771017449599495368 X-GMAIL-MSGID: 1771017449599495368 The page allocation performance requirements of different workloads are usually different. So, we need to tune the PCP (Per-CPU Pageset) high on each CPU automatically to optimize the page allocation performance. In this patchset, a PCP high auto-tuning mechanism is implemented. The description of the algorithm and the test results can be found in the patch description of [2/2]. Best Regards, Huang, Ying