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 ADD48C3DA49 for ; Fri, 26 Jul 2024 23:09:16 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2D7406B0088; Fri, 26 Jul 2024 19:09:16 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2874A6B0089; Fri, 26 Jul 2024 19:09:16 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 14F216B008A; Fri, 26 Jul 2024 19:09:16 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id EC9FE6B0088 for ; Fri, 26 Jul 2024 19:09:15 -0400 (EDT) Received: from smtpin15.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id A4AB612010A for ; Fri, 26 Jul 2024 23:09:15 +0000 (UTC) X-FDA: 82383446670.15.A2176A6 Received: from mail-qk1-f177.google.com (mail-qk1-f177.google.com [209.85.222.177]) by imf26.hostedemail.com (Postfix) with ESMTP id D3942140007 for ; Fri, 26 Jul 2024 23:09:13 +0000 (UTC) Authentication-Results: imf26.hostedemail.com; dkim=pass header.d=cmpxchg-org.20230601.gappssmtp.com header.s=20230601 header.b=fhDp6G3h; spf=pass (imf26.hostedemail.com: domain of hannes@cmpxchg.org designates 209.85.222.177 as permitted sender) smtp.mailfrom=hannes@cmpxchg.org; dmarc=pass (policy=none) header.from=cmpxchg.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1722035286; 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=LyseXoYvJrQwi2qmBnkW9qMa3eQBXwqDu7zUnQDqavs=; b=2AsvySY1cjIBdUaeVLCSVH+dpN86dKKw6d1e4g0bDktz/CDUtOslowiluGUCxo0Yuvytfi JBvVxO4FIr8rYQ7t41K1l2UYgW5ECYVVwQszYE5NkM2zKPzItXOSp5OX6jeJMOhXV/933M +8u086wZWjey6GlOl88ouAJLgT27KVA= ARC-Authentication-Results: i=1; imf26.hostedemail.com; dkim=pass header.d=cmpxchg-org.20230601.gappssmtp.com header.s=20230601 header.b=fhDp6G3h; spf=pass (imf26.hostedemail.com: domain of hannes@cmpxchg.org designates 209.85.222.177 as permitted sender) smtp.mailfrom=hannes@cmpxchg.org; dmarc=pass (policy=none) header.from=cmpxchg.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1722035286; a=rsa-sha256; cv=none; b=pXCX/dcTarL3mLxuwMRAdtAPZUsyW2x7LunLQj1+R2pEGpCAV50k+wqEsclVjIGTT458sx EB4FABEkgvPJhzBrbu9zf5QbQcWhsbC9Y+x4INJdNyzcPCPd2U/Ik3KwmKKttMKh+lNarO 9OjUVsvExDkHHuSFhstGN3mDco3YxCs= Received: by mail-qk1-f177.google.com with SMTP id af79cd13be357-7a1e1237e9aso65842885a.3 for ; Fri, 26 Jul 2024 16:09:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cmpxchg-org.20230601.gappssmtp.com; s=20230601; t=1722035353; x=1722640153; darn=kvack.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=LyseXoYvJrQwi2qmBnkW9qMa3eQBXwqDu7zUnQDqavs=; b=fhDp6G3heG7ni4BnOnwxQyMCMK84jlKNFvIqqPdEgo3UPH7w7TGHEhssHrZseIvbuf LG1Vvw3VNGgEWSP6HsnIEhxGIaOGK/m43qKWNwu3GElZtWTSL3Wq2I+l8tf01K1+R9Yn 1vIVpIdK+m2ifls0fgIsA/R6z6XY3cDHAogqq422yf3SjIvXwnfJD7XDDalhEfKCQw7V kc7AusXs9Vats0kPHTUtTQ1g2McpTHLB10VV60t7T0T8fbnbiG6TiF6Up6VPLgv510I/ yiSTOt6vFpGm3igcrdhh4+nhR8DEEjEoPqqnVxNo6qOiyQrFBm2sI4+O51SHc6cmTfvx th2Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1722035353; x=1722640153; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=LyseXoYvJrQwi2qmBnkW9qMa3eQBXwqDu7zUnQDqavs=; b=FBfB/ZCJOIM0VlVzurexeaUFuMIgiTYzJHH0auoRBaQvBgbxMJ4RXh1NDbiJDVQhoQ 8sd7ugIiYC5IL7yB2pr8N8aTQD8uwCrCX0vXY9++ezI5vArFMjHqOH6ftKf9cUR0X5UG jdHI8FYN9xcAHhYsmfwtaEDxKIyYtWw5EYwjwENSNi/Yx+xAozaIoHkgpvSFm+TXTsHJ Y0nuTNc5rhVXKNTiTsvKSnAWhOCmo7m60Hkw02wLBdY+ef/IJ5/I69l3GjQhipRPiAWw 5yV+0gNKwTh3dC5brd7pZJNpxaIrr95nuOICqhj/b3VRVAJAbIo1avDuVENK04xfSKf3 oAnA== X-Forwarded-Encrypted: i=1; AJvYcCUwvJ7oz15y2i0x+z5wt7Zv1Yhg9uSXq5gkWPNMXhMY5Z+hUxcuCBzMLoO7cbVt4eaGZyBhCQ3eRxHMYwz4mJMgRAA= X-Gm-Message-State: AOJu0YzkznakKG07dmuJyd1B3XgMhnDcEtDVqiGM1yhZTph14mFIpRNi PAoQg9fI+WJiclldsBUvXR1QJCl51b0dzoriCBIcn+M6qulcDEQ+1ZOjCIs3PSU= X-Google-Smtp-Source: AGHT+IGpQAgp4pv9Nb5eLIOrWJrIJuFWeAgilj6T3/Dvc3wSAWWtQkOCz5YfoMS4j8BYkDsTJc3mhw== X-Received: by 2002:a05:620a:3952:b0:7a1:d880:a479 with SMTP id af79cd13be357-7a1e524759amr145059785a.26.1722035352854; Fri, 26 Jul 2024 16:09:12 -0700 (PDT) Received: from localhost ([2603:7000:c01:2716:da5e:d3ff:fee7:26e7]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7a1d745f863sm217495585a.129.2024.07.26.16.09.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Jul 2024 16:09:12 -0700 (PDT) Date: Fri, 26 Jul 2024 19:09:11 -0400 From: Johannes Weiner To: Roman Gushchin Cc: Andrew Morton , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Michal Hocko , Shakeel Butt , Muchun Song Subject: Re: [PATCH v3 2/3] mm: page_counters: put page_counter_calculate_protection() under CONFIG_MEMCG Message-ID: <20240726230911.GE1702603@cmpxchg.org> References: <20240726203110.1577216-1-roman.gushchin@linux.dev> <20240726203110.1577216-3-roman.gushchin@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240726203110.1577216-3-roman.gushchin@linux.dev> X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: D3942140007 X-Stat-Signature: g5mkaranhd6qcbb5frot3x44ax5ydziw X-Rspam-User: X-HE-Tag: 1722035353-493600 X-HE-Meta: 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 9DC/fM/v 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 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, Jul 26, 2024 at 08:31:09PM +0000, Roman Gushchin wrote: > Put page_counter_calculate_protection() under CONFIG_MEMCG. > > The protection functionality (min/low limits) is not supported by any > other cgroup subsystem, so page_counter_calculate_protection() and > related static effective_protection() can be compiled out if > CONFIG_MEMCG is not enabled. > > Signed-off-by: Roman Gushchin > Acked-by: Shakeel Butt Acked-by: Johannes Weiner