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 F3404C433F5 for ; Wed, 1 Dec 2021 23:35:15 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 47D8A6B0072; Wed, 1 Dec 2021 18:35:05 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 408EC6B0073; Wed, 1 Dec 2021 18:35:05 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2A6B96B0074; Wed, 1 Dec 2021 18:35:05 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0190.hostedemail.com [216.40.44.190]) by kanga.kvack.org (Postfix) with ESMTP id 1529C6B0072 for ; Wed, 1 Dec 2021 18:35:05 -0500 (EST) Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id C0A48181BCDCA for ; Wed, 1 Dec 2021 23:34:54 +0000 (UTC) X-FDA: 78870832908.14.079F7DB Received: from mail-pj1-f44.google.com (mail-pj1-f44.google.com [209.85.216.44]) by imf17.hostedemail.com (Postfix) with ESMTP id 6FC56F0001CD for ; Wed, 1 Dec 2021 23:34:54 +0000 (UTC) Received: by mail-pj1-f44.google.com with SMTP id j5-20020a17090a318500b001a6c749e697so1917886pjb.1 for ; Wed, 01 Dec 2021 15:34:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=BmII8oD0ACtWYwUxZvVEy7vovgU/Gw+edy4wWYcAnmw=; b=RHfduEJ6n32YMSvKhBeO03pKWPjDhvFaHR8aeALHnIyxBMLlyTIFPTkqAxK6boZkkw CxnhyMFvKGtoZeLuW0odScpYpkPvwFL4ea6iIkdAE5gDadIudh702XOWTLV9sy22EQ3m HAt12qT3rw42CQ2131yuGCrClxLurYtH+6kFmA/4J1wH1pTGTF6jWbMb5XEM937PJJyg 3xfpvj2buuwv9TIiuz4vZEuLVcEK4QCaF2brbNQjNzU2NJvMYkJBcOJYikzDPuaJBrH8 LQpx9sjxZQ87ZW/xidwut+pybOBlXrm1Coej5G/GHhQatVMgDYB2jzt6nyIPKAgPg3HG C/FQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=BmII8oD0ACtWYwUxZvVEy7vovgU/Gw+edy4wWYcAnmw=; b=kFEAd15jvdHZwtESFwscAb8Xe3Iatljbppe7LCTxfdDcqjd1IGWYho+PvIEj3PEhM9 bz6VC3MNmjeyBe6R+ulVlG6lIE1yhz67OiEfW6cw4UClKuWEYdqLAMqt2/4zghCSv+OK VauFncd/Clh0ahEHn/4KvpzVQF5mG3UrLyWqHJ4pqtsDmhGehG4llSsAH49racFEnk/U GYwZyEbeTDV81jj81u13ZTxLmxdH9qSwq/3d8WI2WnnOnhFogicGKDPCezbp99cirtmW N96gT16ziQVubU1HRUW6D+SSOsMOfg9t/RyICOoURHu/bTL9405sEMvY9uakXdy2a0Hj aVkA== X-Gm-Message-State: AOAM530BMpB2LBHCHKoyIUf3FSvxBFd1/TXfb9M6oJFMc/JS7Wylbk+D th+Cc7oFEYuUaYg4dgOOnVA= X-Google-Smtp-Source: ABdhPJzchfWaD5sFvck/9D/QjUo2rPBYPl8KRGCBJ6Ayu/URqZ9DK7E0VUaGWHdqnYysgrcqs5SDDg== X-Received: by 2002:a17:90b:124d:: with SMTP id gx13mr1699614pjb.106.1638401693427; Wed, 01 Dec 2021 15:34:53 -0800 (PST) Received: from google.com ([2620:15c:211:201:e4a9:945b:9a3c:8231]) by smtp.gmail.com with ESMTPSA id ep15sm1025697pjb.3.2021.12.01.15.34.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Dec 2021 15:34:53 -0800 (PST) Date: Wed, 1 Dec 2021 15:34:51 -0800 From: Minchan Kim To: Vlastimil Babka Cc: Matthew Wilcox , Christoph Lameter , David Rientjes , Joonsoo Kim , Pekka Enberg , linux-mm@kvack.org, Andrew Morton , patches@lists.linux.dev, Nitin Gupta , Sergey Senozhatsky Subject: Re: [PATCH v2 27/33] zsmalloc: Stop using slab fields in struct page Message-ID: References: <20211201181510.18784-1-vbabka@suse.cz> <20211201181510.18784-28-vbabka@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211201181510.18784-28-vbabka@suse.cz> X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 6FC56F0001CD X-Stat-Signature: pns3maq5ihnznodjzkh63rarqm3bftxw Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=RHfduEJ6; spf=pass (imf17.hostedemail.com: domain of minchan.kim@gmail.com designates 209.85.216.44 as permitted sender) smtp.mailfrom=minchan.kim@gmail.com; dmarc=fail reason="SPF not aligned (relaxed), DKIM not aligned (relaxed)" header.from=kernel.org (policy=none) X-HE-Tag: 1638401694-853665 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: On Wed, Dec 01, 2021 at 07:15:04PM +0100, Vlastimil Babka wrote: > From: "Matthew Wilcox (Oracle)" > > The ->freelist and ->units members of struct page are for the use of slab > only. I'm not particularly familiar with zsmalloc, so generate the same > code by using page->index to store 'page' (page->index and page->freelist > are at the same offset in struct page). This should be cleaned up > properly at some point by somebody who is familiar with zsmalloc. > > Signed-off-by: Matthew Wilcox (Oracle) > Signed-off-by: Vlastimil Babka Acked-by: Minchan Kim