Received: by 2002:ac0:e350:0:0:0:0:0 with SMTP id g16csp219549imn; Thu, 4 Aug 2022 03:17:44 -0700 (PDT) X-Google-Smtp-Source: AA6agR6Aw7XSnZnY3GB+Tj1PTXWhpNCOeH8VHyKPpTemPdllfwKXN3EFNommqCic6OwXLB44+ZaW X-Received: by 2002:a05:6871:93:b0:fe:23b6:6efb with SMTP id u19-20020a056871009300b000fe23b66efbmr474823oaa.201.1659608263921; Thu, 04 Aug 2022 03:17:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1659608263; cv=none; d=google.com; s=arc-20160816; b=EipoSg6tY15kiAD/7vLQfD13UIfbHKftJppI8YE59+0QTMxAlai6JoBiPvUdtzpa70 Xz7oErtSwvYI4wDr7vnFzPPfa/3tFJ2Vzo2yezh7j3Li9Kpihmu5ryCilWirP0OCtfpa ekC0kxm3kS7JL5aBnDzowgWml9thpOTPdaOKVp2RUNTa4o8VOeXzH6F5/akD3LSMFC8W nPI3rnbq0S+x+wv00ngc5LpShzZTXfdECRBPXMWztpDBE00KGsnFM9yku4BbK5/k81x4 MEyMrXVzA9EqE7NAIw8REHVBEge1X96ynGzELlK1s1GcaD5cHPwKSwC/1YKhmCZzDxDq aE2A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=F/WA1CMlp4GqTKewWIAQ3Q7Ap3kDKTEuPug99k9VNhY=; b=CA1gZGj2LOYEsTsN9ZYFZMSw9FF1RL8vIqhd7mteFOmElozBSN5XE70xtepRn8EFHy PdJXDqRGFx8vrCYMLTeTEzsy9dqEXPgpEnLuMvlCVklF74S4Ogd4i5E+XN28vN2B8ILP NRrA+YNMujQ2XQSi59cRXxDXcYZgHif97ScWWdaDuTHP3z4BgqGVxF+2Mxm0+iDpx4jI R+6YV2iwx4sWK0Bg4GEdXttpfFH98g8r+JoL4FwEt75jboeVDsOKvmIZ/jUIfBjZANfc 6/plP8zE9AOrGOGr7YS6rz8btlEnFnrOZyumtNcYRKrZBRJIzgMaChkE2dGc4YqSvQgv oPqA== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id f39-20020a9d03aa000000b0061c9035c6cbsi400347otf.261.2022.08.04.03.17.31; Thu, 04 Aug 2022 03:17:43 -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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239292AbiHDJkB (ORCPT + 99 others); Thu, 4 Aug 2022 05:40:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57102 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230214AbiHDJj5 (ORCPT ); Thu, 4 Aug 2022 05:39:57 -0400 Received: from outbound-smtp10.blacknight.com (outbound-smtp10.blacknight.com [46.22.139.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1590A43317 for ; Thu, 4 Aug 2022 02:39:56 -0700 (PDT) Received: from mail.blacknight.com (pemlinmail05.blacknight.ie [81.17.254.26]) by outbound-smtp10.blacknight.com (Postfix) with ESMTPS id A98F81C4017 for ; Thu, 4 Aug 2022 10:39:54 +0100 (IST) Received: (qmail 16661 invoked from network); 4 Aug 2022 09:39:54 -0000 Received: from unknown (HELO techsingularity.net) (mgorman@techsingularity.net@[84.203.198.246]) by 81.17.254.9 with ESMTPSA (AES256-SHA encrypted, authenticated); 4 Aug 2022 09:39:54 -0000 Date: Thu, 4 Aug 2022 10:39:48 +0100 From: Mel Gorman To: Abel Wu Cc: Andrew Morton , Vlastimil Babka , Michal Hocko , Muchun Song , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm/page_alloc: only search higher order when fallback Message-ID: <20220804093948.sq64wsfhtsbnsc3g@techsingularity.net> References: <20220803025121.47018-1-wuyun.abel@bytedance.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20220803025121.47018-1-wuyun.abel@bytedance.com> X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_LOW, SPF_HELO_NONE,SPF_PASS 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 On Wed, Aug 03, 2022 at 10:51:21AM +0800, Abel Wu wrote: > It seems unnecessary to search pages with order < alloc_order in > fallback allocation. > > Signed-off-by: Abel Wu Acked-by: Mel Gorman -- Mel Gorman SUSE Labs