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[2620:137:e000::1:20]) by mx.google.com with ESMTP id k12-20020a170902c40c00b0016ecdb9d821si16627790plk.603.2022.08.09.06.12.53; Tue, 09 Aug 2022 06:13:44 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-ext4-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; dkim=pass header.i=@chromium.org header.s=google header.b=Rih+yJI7; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243373AbiHINHk (ORCPT + 99 others); Tue, 9 Aug 2022 09:07:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56564 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243292AbiHINHh (ORCPT ); Tue, 9 Aug 2022 09:07:37 -0400 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 784DCB4B1 for ; Tue, 9 Aug 2022 06:07:34 -0700 (PDT) Received: by mail-pj1-x1031.google.com with SMTP id t2-20020a17090a4e4200b001f21572f3a4so12171377pjl.0 for ; Tue, 09 Aug 2022 06:07:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=8CexQjRbk8g4rtv6phdNBChrQIXcYCoIEvqKqjiIkf0=; b=Rih+yJI7jNNDuSTco4nc6byh8AZj7WjNWGBfQYTqAjfKO2AHFwQ3QlJDq+qriAPEih 3J3+39atQkL09N4JMH67IyIHe9obJpHbTJHYjNKpwFh6E/ehuzLcqPJS2TOj0zXq22CO 6lFxl1wxcq4bWidGef7NUtJv3DDc2ccXkdsPM= 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=8CexQjRbk8g4rtv6phdNBChrQIXcYCoIEvqKqjiIkf0=; b=O7j3yzvcQXAlCOT60YeeMbc9snnjKsijeBSnF5Y22Jds2hWx+2yArMiKpZwXIryVlf U5Mwj8cBXHUPqLhxgB3OIdi0v1XANDvGMsqA9YWdwJxUX+wvYTUk60oxIa46PrDehLAR Wjk40v9c5vA0L+V7ocs9EzGT9r6i/yXR/7DJJgOiYviZieSJEKfMELKEfNCacnwU/bR2 etQ7c6DE7Bof18MwpzpaF6vE4ldGXSVKQaWmh/f0LQrodLI4rIqceXrMhCOf+rMRL7RA 1+r3ryxMMu73/wya8XEKdow+Om1P0BRGBF+m6MEy8reKcjb9LNaVJbh9VNVm2mq0jYLt qCVg== X-Gm-Message-State: ACgBeo2+pcShsDi3WIle3Uz0IRnfiQ1Ybkl/7VEzLVrJ07p5alH7GVEC milxZ9jlJfJMdHLHioid+xFM/g== X-Received: by 2002:a17:903:1209:b0:16b:81f6:e952 with SMTP id l9-20020a170903120900b0016b81f6e952mr24413647plh.48.1660050453752; Tue, 09 Aug 2022 06:07:33 -0700 (PDT) Received: from google.com ([240f:75:7537:3187:8d43:c739:457a:5504]) by smtp.gmail.com with ESMTPSA id n7-20020a170902e54700b0016c16648213sm11043190plf.20.2022.08.09.06.07.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Aug 2022 06:07:33 -0700 (PDT) Date: Tue, 9 Aug 2022 22:07:27 +0900 From: Sergey Senozhatsky To: Jiri Slaby Cc: Linus Torvalds , Linux Kernel Mailing List , minchan@kernel.org, ngupta@vflare.org, Jan Kara , Ted Ts'o , Andreas Dilger , Ext4 Developers List , avromanov@sberdevices.ru, ddrokosov@sberdevices.ru, Sergey Senozhatsky Subject: Re: ext2/zram issue [was: Linux 5.19] Message-ID: References: <702b3187-14bf-b733-263b-20272f53105d@kernel.org> <8710b302-9415-458d-f8a2-b78cc3a96e49@kernel.org> <9fd860a8-4e4f-6a95-5c3f-1b3c4a76cf51@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=0.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FSL_HELO_FAKE, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=no 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-ext4@vger.kernel.org On (22/08/09 21:57), Sergey Senozhatsky wrote: > This somehow makes me scratch my head and ask if we really want to > continue using per-CPU steams. We previously (many years ago) had > a list of idle compression streams, which would do compression in > preemptible context and we would have only one zs_malloc handle > allocation path, which would do direct reclaim (when needed) Scratch that, I take it back. Sorry for the noise.