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 07038C433EF for ; Tue, 14 Dec 2021 14:58:57 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 66AB46B0071; Tue, 14 Dec 2021 09:58:46 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 5F3646B0073; Tue, 14 Dec 2021 09:58:46 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4BB526B0074; Tue, 14 Dec 2021 09:58:46 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0093.hostedemail.com [216.40.44.93]) by kanga.kvack.org (Postfix) with ESMTP id 3649F6B0071 for ; Tue, 14 Dec 2021 09:58:46 -0500 (EST) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id EDB1389085 for ; Tue, 14 Dec 2021 14:58:35 +0000 (UTC) X-FDA: 78916706190.08.5541B56 Received: from mail-qv1-f43.google.com (mail-qv1-f43.google.com [209.85.219.43]) by imf21.hostedemail.com (Postfix) with ESMTP id 323891C0003 for ; Tue, 14 Dec 2021 14:58:33 +0000 (UTC) Received: by mail-qv1-f43.google.com with SMTP id a24so17466429qvb.5 for ; Tue, 14 Dec 2021 06:58:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cmpxchg-org.20210112.gappssmtp.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=iaC0YCrtT/rPnmyhp7ihbk8Lz4SJ7WcXKR/+CdI7JPM=; b=7Q7WS5d2agfo/F4H2fyAqAVNN2cmqwTaFwxyXYsv2JYh/s6qiEap6mBg5w5RBxc0/K JzAkUY5/7qOiXf4yEDA7DAA1PmV6nueRs1NLsDBydR4iAIDRaOzl+3L74lP1o8iUCNVZ RSxCjbX7WJMjAYwr/pGWLvZueqgV2MZ6ZOk79vneH5DiUeRgtCUxjDGjqO9hRX2BcNtJ ht+NPrOCiy/yAll11aMUyPcovgTKGWHr7pPa1PUNekVAQ/xWRzho1sVfhCuY9ehVUs6J nZPls2aUTLgGEI3SEe2z+eL4RW6SkLe+EWSKzxXNGUQpLkIVRAWwON3UMTRD3nbSTr5b l8ag== 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=iaC0YCrtT/rPnmyhp7ihbk8Lz4SJ7WcXKR/+CdI7JPM=; b=pVunPDG/TM3+ICv6SOMduOZ9aHXd8rEzEiQTafgnEr5rZM0T2sqPNjN148V6XVfCEm wi4qYsbA0FssEzaPqnqi/wU45uOFHSFhqBjmHuqhvsVL0qUOlykYZaKwwm48xWa0FMoB TMGdCvHy29jquRF42VnMqsUGStmrRzLPzetTAlg60WE7aNf2PotPpj/a2DslC90K9P0F 79TdQJSA6IsHVlCS3st9OeyMwnHEtQzGdbkRWZfpgPmeHhE72kaRrA8VrBjbTIZjicAl df5srXq6iDF+N5SxHzQBHi0KljYglt/SKKrnVS1v4ppFYo9mkb+R8syGTMcjVNpMPgXB GY/A== X-Gm-Message-State: AOAM533QUxbOJRVUR+iajiysJ+I7d4MfPX6t+5Zm7S15VXhdc+9Mo59i gxbdDmP3sMO7g296u5s5U2mjig== X-Google-Smtp-Source: ABdhPJyuER9txNmgBZfmekASFj+TvGxo1FSb3OsVQUh/JENKsWaKJ4qLColYbWniBQqraMK+xv266g== X-Received: by 2002:a05:6214:c42:: with SMTP id r2mr5792582qvj.69.1639493914598; Tue, 14 Dec 2021 06:58:34 -0800 (PST) Received: from localhost ([2620:10d:c091:480::1:e1e4]) by smtp.gmail.com with ESMTPSA id d15sm75772qtd.70.2021.12.14.06.58.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Dec 2021 06:58:34 -0800 (PST) Date: Tue, 14 Dec 2021 15:58:31 +0100 From: Johannes Weiner To: Vlastimil Babka Cc: Matthew Wilcox , Christoph Lameter , David Rientjes , Joonsoo Kim , Pekka Enberg , linux-mm@kvack.org, Andrew Morton , patches@lists.linux.dev, Minchan Kim , 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: rspam05 X-Rspamd-Queue-Id: 323891C0003 X-Stat-Signature: aw6njbutnps7rofkh7zqjipc5gmy49fj Authentication-Results: imf21.hostedemail.com; dkim=pass header.d=cmpxchg-org.20210112.gappssmtp.com header.s=20210112 header.b=7Q7WS5d2; spf=pass (imf21.hostedemail.com: domain of hannes@cmpxchg.org designates 209.85.219.43 as permitted sender) smtp.mailfrom=hannes@cmpxchg.org; dmarc=pass (policy=none) header.from=cmpxchg.org X-HE-Tag: 1639493913-375258 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 > Cc: Minchan Kim > Cc: Nitin Gupta > Cc: Sergey Senozhatsky Acked-by: Johannes Weiner