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 X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 353C4C433E3 for ; Thu, 23 Jul 2020 20:30:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0201D2065F for ; Thu, 23 Jul 2020 20:30:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="uNlTis3D" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727877AbgGWUav (ORCPT ); Thu, 23 Jul 2020 16:30:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48944 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726146AbgGWUau (ORCPT ); Thu, 23 Jul 2020 16:30:50 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AFF7AC0619DC; Thu, 23 Jul 2020 13:30:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description; bh=Q1ZP2oivZh/ampu/bcHg40l20KbZv+vd3MDES1+Kr1Q=; b=uNlTis3DrybH3g4I51H3gnCa49 aXJyBNL1QKujmrclRYWBVPCJogx06tbeXTaUjL5tJJ6YSihHvKM4wd1ZFDoMYJTQnYembfigvn5ZU 7IkGRK2kkX9dk5odSN+SHt6/QP6gZsNhFiu7GFArawdjv8OQ02rtWnmeV4xkOH+Hq1ThVtAViZw9v t7NQ1ZoZIFWUz0DsO0z2DlN3cEf2htVYEbBexpEN+2rU9gxAe9F0tnOQbPndbY4y0y1MlnGSRJ1PE DdC3LqeonXVXPPQgrlaaQ6buAKgWR5NRKxMSG0aQ1LdT8/61ra3Nvb0zp+cSHGU4gD+piN07XZhRE X6sYQvpg==; Received: from [2601:1c0:6280:3f0::19c2] by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jyhrM-0002c6-CG; Thu, 23 Jul 2020 20:30:33 +0000 Subject: Re: [PATCH v8 3/7] init: add support for zstd compressed kernel To: Nick Terrell , Borislav Petkov , Thomas Gleixner Cc: linux-kernel@vger.kernel.org, Chris Mason , linux-kbuild@vger.kernel.org, x86@kernel.org, gregkh@linuxfoundation.org, Petr Malat , Kees Cook , Kernel Team , Adam Borowski , Patrick Williams , rmikey@fb.com, mingo@kernel.org, Patrick Williams , Sedat Dilek , Norbert Lange , Andrew Morton , Alex Xu , Arvind Sankar , Nick Terrell References: <20200723192801.351114-1-nickrterrell@gmail.com> <20200723192801.351114-4-nickrterrell@gmail.com> From: Randy Dunlap Message-ID: <9ff49261-f5fd-b8dd-949a-0b8eab75369b@infradead.org> Date: Thu, 23 Jul 2020 13:30:26 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200723192801.351114-4-nickrterrell@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 7/23/20 12:27 PM, Nick Terrell wrote: > +config KERNEL_ZSTD > + bool "ZSTD" > + depends on HAVE_KERNEL_ZSTD > + help > + ZSTD is a compression algorithm targeting intermediate compression > + with fast decompression speed. It will compress better than GZIP and > + decompress around the same speed as LZO, but slower than LZ4. You > + will need at least 192 KB RAM or more for booting. The zstd command > + line tools is required for compression. tools are required -- ~Randy