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 50E5EC47DA2 for ; Tue, 16 Jan 2024 15:39:14 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id C2D3F6B0089; Tue, 16 Jan 2024 10:39:13 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id BDD906B008A; Tue, 16 Jan 2024 10:39:13 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id AF3816B008C; Tue, 16 Jan 2024 10:39:13 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 9F53C6B0089 for ; Tue, 16 Jan 2024 10:39:13 -0500 (EST) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 705F81C120E for ; Tue, 16 Jan 2024 15:39:13 +0000 (UTC) X-FDA: 81685582986.16.3F11716 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf01.hostedemail.com (Postfix) with ESMTP id 9D38B40027 for ; Tue, 16 Jan 2024 15:39:09 +0000 (UTC) Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=o9Gjjz+T; dmarc=none; spf=none (imf01.hostedemail.com: domain of BATV+143bb14a0bf582ab00cc+7450+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+143bb14a0bf582ab00cc+7450+infradead.org+hch@bombadil.srs.infradead.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1705419551; 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=WtuVntAUUaCAXXG4ld9RtlJPqwKTyVWfU729/RL/Hsw=; b=KxA3O1HT8dilcpzogvMC2z2SNHhzB7Uxi0Pbnbn8C1pPUFryfWkXuRS8ffJQ7YGdShKivw iwvZhdsOZ2JavelMnQZL+SkVR2sHJUzaqFlXU6t6RpuICc4SS+5EvpZt92ZC8cYkKnQJY7 GpEsfRsi8cm1jrSS7BObO7Wy/2WxUnY= ARC-Authentication-Results: i=1; imf01.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=o9Gjjz+T; dmarc=none; spf=none (imf01.hostedemail.com: domain of BATV+143bb14a0bf582ab00cc+7450+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+143bb14a0bf582ab00cc+7450+infradead.org+hch@bombadil.srs.infradead.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1705419551; a=rsa-sha256; cv=none; b=gZCEwSsMuPHcCYu+HFGrpTXOZvCIr4By/eDYf7xMPBDg4tTAmmROjQsYVjVu9hX2yh1Vap VivqonimXYv2GNtR/rMwIJzZi3NLZrjyCqrzbnDVH3SiKO3kkt68AEmkNxLv9ouJ6HZZ1W cfLMN64vE1JOKAfzqRo95qLPDJgKcR8= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=WtuVntAUUaCAXXG4ld9RtlJPqwKTyVWfU729/RL/Hsw=; b=o9Gjjz+T5kDv5mjN1O1rCFpBHe GjyMdKlmHDPVacqgG9J02XTK47cYYGykjg8ppuXuvAip5m4Oo2tZLsNq/ngiRennfsaO7LQKCRdfC qWURBIOAj24mTBDP391o0WgYKYUTHzpdUcfKs3kbVaNIZ3LB13sVKEE6AuyhSZI1FfgYniot97q0q JwU9NGmxE4jrQ9E6lIc+yc9ue+6pJmffS5jgVXYFfDhm3V3qQxg9AAxGjzIYXx53VVaa2MtDMXvR/ GH6yMxn9hYJ3LX3R0eVMBCTME4Qo8RVdm1YcrTt67RUCn8gs2XfbgYO2reqzRoAig72MObiBsStBH VwK/lYgA==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1rPlWg-00CSYJ-1w; Tue, 16 Jan 2024 15:38:54 +0000 Date: Tue, 16 Jan 2024 07:38:54 -0800 From: Christoph Hellwig To: Nhat Pham Cc: Yosry Ahmed , Miaohe Lin , Sergey Senozhatsky , Huacai Chen , Nicholas Piggin , "Aneesh Kumar K.V" , linux-mm@kvack.org, loongarch@lists.linux.dev, Johannes Weiner , "Naveen N. Rao" , Minchan Kim , Andrew Morton , linuxppc-dev@lists.ozlabs.org, WANG Xuerui , Vitaly Wool Subject: Re: [RFC PATCH] mm: z3fold: rename CONFIG_Z3FOLD to CONFIG_Z3FOLD_DEPRECATED Message-ID: References: <20240112193103.3798287-1-yosryahmed@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: 9D38B40027 X-Stat-Signature: i717gfp97o1zcc6zz8jf3gj56ruq99r6 X-Rspam-User: X-HE-Tag: 1705419549-609789 X-HE-Meta: U2FsdGVkX1/WT5ig5SckCpt7TGgOJHvpEryrqInR0TFHVuH+S0PhTw4ARlRwOMnSh0Swig+Cu8bO7fzSVp+pMhiV99ZASQbGYSCtCN4ZM0WZebrtUyfrmclgN0nMw3DlsRiKLxXbIbnLantpwQ51jVg+NRffVUGJP5DbHQ0mP4mTIgFf8OUb/uDK9YUENkgrsC7UodBprBON49fwxcol2WchJkDjJodo80utkhA11Wx4U5wjMosD01QchyRDnp8KhJsYGgMRrwuz+geh3zvozNO7P6+zkQW82Gv/2fExng0Y+FzKG+NYYGOejqrlzW9aamKDghNimccof0uxsZ8zj2LY54tHEYYPR4jppM8Eh+P6pL86abYIfioxVoak2neAiDV6+nticQcwUt1pizf4C3IpgKSbgGXnj5PSOizU5E+mye6qd4qrhC2ZMwSAFWEJhpkzNncDqeGug+Y7K47FaZjUFKfgnRNDPnmVuilILky3E7jsNoKeHMf6ZCJO13Z6hJhu0/LUjG/V9YGILnzQNROrmXReM73bKylDf5956toH0OfX6tBgPdXPTgWy5oH0Ux3MAeLtXpRNiYfgz//K7e9cAEPyqphNi3hfeDNARl6wc+6a47FT2jf+hO1BmjiKD1IlmlT0Qw0VZiZ2KOdtSihxXABBZgfu59oESh3Y0GE+2X/EVldGFd8bUrH0RazoVgTqVt/mXMsyRO+FQux/VIxWC4c/INYIT0W2SEUnmkat56cGmPFcZywnt58y6qsge30eIPqWcxVqFoaF2jH7b/AihRgYVUc4EVdlHFa9CjwZcg5KuMjCV1tgFhBqdAwxwb0c5YKC+zmye/91l+71dGYOXr5DbQqsDgbwLCvBdmVBObSBfp+jB/Wg3mMrOaA8xlvIX01CPabzMgASKFNSq+/zMfxuvnXisBpwKEXY3+aM3aLyjPSL/REEK5hQNy95lNrI9bQ479XXrIOKrxy 0NhQ+xXt d7sJmNAvHXY8H7CKsXswOKZhjb0CmCwoYK6NhYEY9W+wCVw4H7fYXg4fQw+0zd9QS7rcEOOF7DVsfA0mUFAPbOReK53xJRwDVXeV3R3e3rWsy9HHFYsbILhipR7mGJiVtr6VGBwUCPG2qdOEYQuEOUmbHA1VIbmMO9jaiTTPqnpaZDyf0y5OkkO7DpyGAdrBCdrpsHQi55VP8i1hC1/5LgIg3ESAq2GsWfnCZZZH9Ayo8zlr5G1yBrHbBjua7zHzsw8DxuSA7L/vZ6/ZJvp/T9hdBzmxoZlSuiPyWNBOOyy1yapbxaE05q4q7KzUIE2AUcIGYayF/j7ZCirSGsUysd6I0rrRIn0dfg8qhHB4hF2CBKssyk2BzVrWrgqt4JMdy/XlZVS3V8K0knYaGO3Jy+f9M63//9fkd2yrGEcgBPvwxAKZ6qZaD90BCIQ== 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 Fri, Jan 12, 2024 at 04:38:30PM -0800, Nhat Pham wrote: > > > > I thought deprecating z3fold is the low hanging fruit. Then, once we > > can sort out the MMU dependency in zsmalloc, we can go after zbud as > > well. > > Makes sense to me. Should we do the same thing to zbud? We probably > have even less of a case for it, no? Is there any user visible effect of switching the allocator? If not it seems a bit pointless to deprecate them vs just removing them (or maybe making z3fold depend on !MMU for now).