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 225CAECAAA1 for ; Mon, 5 Sep 2022 08:21:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235644AbiIEIVy (ORCPT ); Mon, 5 Sep 2022 04:21:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36484 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236123AbiIEIVf (ORCPT ); Mon, 5 Sep 2022 04:21:35 -0400 Received: from mail-pl1-x636.google.com (mail-pl1-x636.google.com [IPv6:2607:f8b0:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B1AEF32073 for ; Mon, 5 Sep 2022 01:21:23 -0700 (PDT) Received: by mail-pl1-x636.google.com with SMTP id u22so7797351plq.12 for ; Mon, 05 Sep 2022 01:21:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date; bh=QJJrkpuUMAiWhW4XzbfzTI5fC6bC6BtFi/fBmxaoJTA=; b=f6XX12/+aqewys372pQoz6A/jL49JWT+dr8npWMakmaFD+gfhU4xyR15G1USnL733p IgWris/UsiHHuZj3ofYqdFhukzZSbA9CY150fSLJxtISrBKx32pf7B2oq9zrWr82lUws t6Js1k2fxKpQWM9viuLXDmMUHA++QlY8B6O18= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date; bh=QJJrkpuUMAiWhW4XzbfzTI5fC6bC6BtFi/fBmxaoJTA=; b=iIn6F0AICJyFpDncSVFrt4ZmXiFzWYVNokMwnyAD6CT4LjGfIs95AID6aPAuiPmJxW Lx1gmSZNsRuH+O/2l7hlJMZe7KOIA12jGxEvAjJ1ClkJ3GGG9SXrTiM7+6QO8nSpl157 yyEV1QQBtWrvuri5w8pMNN7wNNhCk9RTWhtj1AYX+94uofQD1c9tNqOQFhqyfSUQyolO ifCyF1n+cBlQJiEciD93JQfriQ6wJYFbsJe6e3zHZrQ2yAwYqEWwn7vy/zFXtAstxCW1 loDrN5Tc0tSLKIuZrdpLd+4bZ0ICuX4FWl5X8yzjASPkiCxch1h0sh33U5KYIS5Lok7q 7PGg== X-Gm-Message-State: ACgBeo0T+VUbXZxbs0tJ0bUj2QDBRiLu6Z7C2xi0HA51+JFHEFQAlTsh RalevlJZU+1wII4gfmFcyHtt9Q== X-Google-Smtp-Source: AA6agR5AroDfDVIj7QlIYRSAnSG4/lXstugSOvJ/A+iboIXnwjzC5rplGgQkqK3HDdxa8WKlUobNZQ== X-Received: by 2002:a17:902:f549:b0:176:c033:db03 with SMTP id h9-20020a170902f54900b00176c033db03mr305456plf.109.1662366083214; Mon, 05 Sep 2022 01:21:23 -0700 (PDT) Received: from google.com ([240f:75:7537:3187:5167:aa6c:9829:64dd]) by smtp.gmail.com with ESMTPSA id z127-20020a626585000000b005380c555ba1sm7288708pfb.13.2022.09.05.01.21.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Sep 2022 01:21:22 -0700 (PDT) Date: Mon, 5 Sep 2022 17:21:18 +0900 From: Sergey Senozhatsky To: Sergey Senozhatsky Cc: Minchan Kim , Andrew Morton , Nitin Gupta , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH RFC 0/7] zram: Support multiple compression streams Message-ID: References: <20220905081552.2740917-1-senozhatsky@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220905081552.2740917-1-senozhatsky@chromium.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (22/09/05 17:15), Sergey Senozhatsky wrote: > Hello, > > RFC series that adds support for multiple (per-CPU) > compression streams (at point only 2). The main idea is that > different compression algorithms have different characteristics > and zram may benefit when it uses a combination of algorithms: > a default algorithm that is faster but have lower compression > rate and a secondary algorithm that can use higher compression > rate at a price of slower compression/decompression. > > There are several use-case for this functionality: > Please ignore this series. I had some extra patches in my "outgoing" directory. I'll resend.