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 94839C433EF for ; Fri, 24 Jun 2022 18:33:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231228AbiFXSdE (ORCPT ); Fri, 24 Jun 2022 14:33:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58820 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229731AbiFXSdC (ORCPT ); Fri, 24 Jun 2022 14:33:02 -0400 Received: from mail-pl1-x62b.google.com (mail-pl1-x62b.google.com [IPv6:2607:f8b0:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 344462CDD3 for ; Fri, 24 Jun 2022 11:33:00 -0700 (PDT) Received: by mail-pl1-x62b.google.com with SMTP id jb13so2791532plb.9 for ; Fri, 24 Jun 2022 11:33:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=oZ+PpXvy2HxH++/ByJ0VVMt+4yKLSRLx88VrFeNzIf8=; b=nA5+j7K4V1TeMU2VczYYBNc4/mcWom0eUMDJWyRm33LxD1nD0Aeh7+Q2NUnmNdPtgl UXKvgNFSq/DMeu0dC20Qas3Q5S3H/9+gnhsDKRwrY5dzq8IjNFsVb41QVkkNiXM0NlsO v8jHwQ42PqHQoT25NHzmOhgKmEYBrjfqOjd/463jUTrlXrpxZzvKMVzVZ76yI/xYoLEj lbikU+utia+4sMhmD8LZgJSbe63M47Oa9cRi1JWzb/YL6BnPs69iXaHbv8W+z4NtTAJF WewoSwmZ9QMZDT0SPMwlNdwtMZ9EnEfcnPjJ6tF4gYlsfb4oa5Q8zK9nKJu7medf2SsL IdDQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=oZ+PpXvy2HxH++/ByJ0VVMt+4yKLSRLx88VrFeNzIf8=; b=C6Uu55cOTyGUARMOwr5ZcJQ9EvSMDxUSkZDrEhvNPivBZkyeVBrya26L2pm4mo07W1 2vLmqXt7l5pOK21H5J9O10jMq5zYfa+gk59uF23opeosfKMnJUG2odJtApwAIT6mVy09 iHl0AQ0j3pDZMpVlJaRgFvxJGE3bzns3+cNGU+KARkgeGbE9IQKoGHzzziBA5iHw95fx gUgWyf7+wXfCu+P6vtGIMSvLHHBmq2DOm+JiKaGuRZW/amCeK6MbdiYvz2cN6SUIsNic /RmqOTwVIFBAshkHWjG2jxHfew9urRNQEtiSVsAKImLl+S13tGCXVw3dPC+hli61xtyz P7vA== X-Gm-Message-State: AJIora9wUapiBU+Oqw9SLntNBzPyhoDZ60QD/CWuxrK3GH8PjV3v1iRW YgFb0lH6g6Y7W36besiztcF1TA== X-Google-Smtp-Source: AGRyM1vmADn1bRiiefpdVyhETEib+mO4UBD8Q29ysfnoIqn4shDh+D+q+ww6pK6n2M3sWQxY/pf99A== X-Received: by 2002:a17:90b:1115:b0:1ec:72f2:77df with SMTP id gi21-20020a17090b111500b001ec72f277dfmr239976pjb.105.1656095580017; Fri, 24 Jun 2022 11:33:00 -0700 (PDT) Received: from google.com (55.212.185.35.bc.googleusercontent.com. [35.185.212.55]) by smtp.gmail.com with ESMTPSA id h6-20020a17090a3d0600b001eab99a42efsm2091467pjc.31.2022.06.24.11.32.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Jun 2022 11:32:58 -0700 (PDT) Date: Fri, 24 Jun 2022 11:32:55 -0700 From: Zach O'Keefe To: Muchun Song Cc: Miaohe Lin , akpm@linux-foundation.org, shy828301@gmail.com, willy@infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 01/16] mm/huge_memory: use flush_pmd_tlb_range in move_huge_pmd Message-ID: References: <20220622170627.19786-1-linmiaohe@huawei.com> <20220622170627.19786-2-linmiaohe@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 23 Jun 14:30, Muchun Song wrote: > On Thu, Jun 23, 2022 at 01:06:12AM +0800, Miaohe Lin wrote: > > ARCHes with special requirements for evicting THP backing TLB entries can > > implement flush_pmd_tlb_range. Otherwise also, it can help optimize TLB > > flush in THP regime. Using flush_pmd_tlb_range to take advantage of this > > in move_huge_pmd. > > > > Signed-off-by: Miaohe Lin > > LGTM. > > Reviewed-by: Muchun Song Reviewed-by: Zach O'Keefe