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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7AF97C47077 for ; Tue, 16 Jan 2024 20:18:53 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D8D696B0081; Tue, 16 Jan 2024 15:18:52 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id D3E7B6B0082; Tue, 16 Jan 2024 15:18:52 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C2C306B0083; Tue, 16 Jan 2024 15:18:52 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id B3AEA6B0081 for ; Tue, 16 Jan 2024 15:18:52 -0500 (EST) Received: from smtpin05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id B85621A0974 for ; Tue, 16 Jan 2024 20:18:51 +0000 (UTC) X-FDA: 81686287662.05.3F005B8 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf07.hostedemail.com (Postfix) with ESMTP id 7081940015 for ; Tue, 16 Jan 2024 20:18:49 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=ovkexLaj; dmarc=none; spf=none (imf07.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1705436330; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=4PyfI5MUBxjuwt0E14mP7ZWzfjXP7I7pzSpm/PoDgq4=; b=pF+j44mFWdRDJa+J+B6U09C5mNHNgaz4c7APsptlm6O9/zXELOZyCkDQ0mZdP4q701qrkJ ef7F7Z7HRBLGC7YHVW3VC8TL5SjuuBUjoMbY4LtLGRTD2sBRXWvd+Pi9Kn5mNQtDSMSbPL CWmVPmRxMlWL4yUc6Nz5TV7bTS8lf8I= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=ovkexLaj; dmarc=none; spf=none (imf07.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1705436330; a=rsa-sha256; cv=none; b=uKwGvlbaPBxNg7bggwVHp8SYIqDkYhvhwTBWLC5Ba3oceEytZnVPx4tbRDuSuk7B5R8HTv 6T1Bnpyqt/fVaIi5jiMvazdVIHH06FBhu3MbOfKhVwkT1Jd5sZNBDTV2Xq3d22n3WzdY0e RAnmjkgg7r012HRmXD1vOStahdcWua0= 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=4PyfI5MUBxjuwt0E14mP7ZWzfjXP7I7pzSpm/PoDgq4=; b=ovkexLajKKyGsgIeUVpPLoLciP 2j2hrpzQaan0nsiwLEBZliham/iItsGpco/CFv0xsUjamhuSDvTKZzukbtM3bQdF5iRyMtyJVEh/H cVthkdjjJIPuHmCbAC7p5zwhBZWTLK5PGGs2MGGprcobRlhfq2uoKkvHV0IxEfP6uZ8UOE7zwzyd4 5gmC2ZM7qpsnVpQPkg90F5yzuTbK1D9Jz9piWrLZV9wh2mIvPqYWK3i1T28EflM9dDbqLoEEf5V8p owjzfFzhjuTahSevYQ96mxiXehRGHTqzeIVwpgOwtdTRsFYHkS4THYgm5Yjech86RoGaZY/Y7IJfq dEiqC08A==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1rPptO-00E8lB-NW; Tue, 16 Jan 2024 20:18:38 +0000 Date: Tue, 16 Jan 2024 20:18:38 +0000 From: Matthew Wilcox To: Andrew Morton Cc: Johannes Weiner , Vlastimil Babka , Yosry Ahmed , Christoph Hellwig , Nhat Pham , Domenico Cerasuolo , konrad.wilk@oracle.com, vitaly.wool@konsulko.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm: kill frontswap Message-ID: References: <20230714194610.828210-1-hannes@cmpxchg.org> <20230717141250.GA866068@cmpxchg.org> <901409ed-504b-9500-54d8-e42f832e07b0@suse.cz> <20230717160227.GA867137@cmpxchg.org> <20240116120944.01f25e65d13f0fc7e2a2df34@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240116120944.01f25e65d13f0fc7e2a2df34@linux-foundation.org> X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 7081940015 X-Stat-Signature: gso8zrggoxjprzyho97m39axpz7dnh6z X-HE-Tag: 1705436329-392845 X-HE-Meta: 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 WGu15OUD WCth0djxCq9f5kxTfTPPSxpHjHmW7tUKtyHAvdt3HotFj3VOzYUhjz/eKYIfAGm/cDbFOs08tWa/44OIzElGGbE1O7ixOIXc5BQLHgrb9V68ssON647BEm5lrsh8ksak6Y13Mgn+DCYEEGsoBmhZ3otrPr+O59yiuWyTtYoAyZz+EmEldTkHCEnCPNwmTl1E5mzP7 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Jan 16, 2024 at 12:09:44PM -0800, Andrew Morton wrote: > On Mon, 17 Jul 2023 12:02:27 -0400 Johannes Weiner wrote: > > > The only user of frontswap is zswap, and has been for a long > > time. Have swap call into zswap directly and remove the indirection. > > This falls afoul of "mm: zswap: multiple zpools support". Could we > please have a version against mm-unstable or linux-next? Did this email get caught in a timewarp? Or is it referring to something that isn't commit 42c06a0e8ebe from six months ago?