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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7A0B5C433EF for ; Mon, 11 Oct 2021 08:11:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5582760F02 for ; Mon, 11 Oct 2021 08:11:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234842AbhJKINE (ORCPT ); Mon, 11 Oct 2021 04:13:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41162 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231300AbhJKINC (ORCPT ); Mon, 11 Oct 2021 04:13:02 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60694C061570; Mon, 11 Oct 2021 01:11:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=BP6eUUSbwOPyI0isq5d0FBMejsSUlafct4Eau4uM694=; b=T5vi3b5cptNd4ihDGlBPfewoN7 h/4t06vMAohvryQxbg832POhVNwqZ/TGil5obb01pmk6XbWTEhiK2BVad03JhiIXWaE7FDKwgVsnl DTErtvgpUaX/hTJwlsdojEdygH3HEcwqGePGkySsiaM3SEuTK3n4VR5wqfi8qlIexndYXcjoRUW0P 3Cr97Wv3wI1etYtnIFjAy+AWxSAbNB0VNC+/cGvZBttY8LgpwVDNDCcv1Seq94brD8VN85Z+Ilvlv kfubtjyeHEE3Jpx9K/kzQCvNgGimYp0zayRcWY65W47ghvx40zQ9ymrbw3QqnY6rqrseynrXLciqB eXbvxLrA==; Received: from hch by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mZqKT-005M08-MP; Mon, 11 Oct 2021 08:07:48 +0000 Date: Mon, 11 Oct 2021 09:06:37 +0100 From: Christoph Hellwig To: Rongwei Wang Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, akpm@linux-foundation.org, willy@infradead.org, viro@zeniv.linux.org.uk, song@kernel.org, william.kucharski@oracle.com, hughd@google.com, shy828301@gmail.com, linmiaohe@huawei.com, peterx@redhat.com Subject: Re: [PATCH 0/3] mm, thp: introduce a new sysfs interface to facilitate file THP for .text Message-ID: References: <20211009092658.59665-1-rongwei.wang@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211009092658.59665-1-rongwei.wang@linux.alibaba.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Can we please just get proper pagecache THP (through folios) merged instead of piling hacks over hacks here? The whole readonly THP already was more than painful enough due to all the hacks involved.