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 6EF71CF6493 for ; Sat, 28 Sep 2024 13:46:57 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D93E76B01F9; Sat, 28 Sep 2024 09:46:56 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D43E46B01FA; Sat, 28 Sep 2024 09:46:56 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C32E26B01FB; Sat, 28 Sep 2024 09:46:56 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id A0F0F6B01F9 for ; Sat, 28 Sep 2024 09:46:56 -0400 (EDT) Received: from smtpin10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 1C513A12B1 for ; Sat, 28 Sep 2024 13:46:56 +0000 (UTC) X-FDA: 82614272832.10.339A57D Received: from mail-qt1-f170.google.com (mail-qt1-f170.google.com [209.85.160.170]) by imf22.hostedemail.com (Postfix) with ESMTP id 5194AC0007 for ; Sat, 28 Sep 2024 13:46:54 +0000 (UTC) Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=cmpxchg-org.20230601.gappssmtp.com header.s=20230601 header.b=olk3qcU4; spf=pass (imf22.hostedemail.com: domain of hannes@cmpxchg.org designates 209.85.160.170 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=1727531050; 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=S8JOGBPqZbM/PkiqPaqV8oIZHf+pr+xC3kn2p1ap7dA=; b=BsvExgjf9WmQqH324AVYWI6qHWvWEoB5aaF2W4QZXbROS/sigXZ64k4sF/m88HlkWPSTks BFMRzvBeIOKzAaW5AvVLXjBgX+EyuuWwLgPDWqkj0vd1vOymRUzGTEHeyfWvCEpzc3PLi/ 655rFDM5o2Is+c5F2/6ortSxardq9XU= ARC-Authentication-Results: i=1; imf22.hostedemail.com; dkim=pass header.d=cmpxchg-org.20230601.gappssmtp.com header.s=20230601 header.b=olk3qcU4; spf=pass (imf22.hostedemail.com: domain of hannes@cmpxchg.org designates 209.85.160.170 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=1727531050; a=rsa-sha256; cv=none; b=yWZTcMA1oe5zpGUOz4upfnTGPrK0cGLu1rXf00HvWhU57EbYPUe16I85YC9A2YwypU9TIj 4JLEhu4zpkY0+uJgByvZKlvaDndUbjFrMfE3ApVXmW4tKpHP9Vpyo+P2tV9Wk3trQmOZ8Z ihrvJkCRnaM4wJO5AxPDwIiJkGVLce0= Received: by mail-qt1-f170.google.com with SMTP id d75a77b69052e-4582760b79cso14719291cf.2 for ; Sat, 28 Sep 2024 06:46:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cmpxchg-org.20230601.gappssmtp.com; s=20230601; t=1727531213; x=1728136013; 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=S8JOGBPqZbM/PkiqPaqV8oIZHf+pr+xC3kn2p1ap7dA=; b=olk3qcU4wZwHfdel1iulPUwFkkt3U1YMOEaOOtUv3CO/TVnN1YKiur6z6G4cpDNOzK zVkek6fOirmNRjT7fQGzEfcdYBuOytpB9YmL26OQpvxeFUGbgQZ6T+8+EW2Ktv0Y3gl8 /7p30vaXs6FeIYDl+dgoS0YTy2o4XE1Ak3EMqCKuRCJGmBCQOgGW0J6Jfk4yflzGPJm5 tw+FA2lTn06opgMAwLPysF+4ElWqrsDtzLGufExfo7M0P07ZatV1APPO6jLp9Ih1k20b 9k9f//K534+Fsl9MdXZgCmDzbYE78wDmoL5GYCib4h/sEWt5swdsxvHKYR0li23cOJeh dBtQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727531213; x=1728136013; 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=S8JOGBPqZbM/PkiqPaqV8oIZHf+pr+xC3kn2p1ap7dA=; b=dzK0iVmMyqbm2FD2EKTFn/yMfcfuQCYK4N74ygPjMS/DmXK5fzmoZ1WMf4y2QCA3gW MYMKBM2Tx0h14CYjBA+bnzzwCda9+fN21PHBZWJv+VJ2LDvasJXd9LnE4V3PvSy9DJH5 7ie4EIk9jMD/FX4+eHYqNsMqgRmWc2Cua/EMmwPithNXpNM1tlfEcZZUMc3gqQxPF+b7 aSCMZA7D4p4a+Amy9oX41KbLUKLilZAWEDX0+nxtCLnsw75EeQuKa+BjDad/N3gI0qby zIFxSNGiNjqOxtpGWj0XqANEbdwM+HlCk2NEKR0pf8ZfkE2HK2Xl1sJz3HVFC7m9OcNm 5njQ== X-Forwarded-Encrypted: i=1; AJvYcCUsGi31Bp1ZyiUWMh2FR6GIPFBRV5ohZ88tHyveLTkqVYxrRBpPuHUk8G4V3yeC78TgB++edd/COQ==@kvack.org X-Gm-Message-State: AOJu0YyVihJ69T3mYUTuBY+Xs6PFt7gEucEvKwCBU3s1is5lk7OFe4Ya +OBoYupe/k2WGVmKnoGKb3Giwd1TWlPvwMBu9YavJIf0WBOZbjSfKZWbRr0zs5Q= X-Google-Smtp-Source: AGHT+IHjdapb+iiRR+dWaAlEof707qeMn1MsOs/sm7PrpIpbiv+gLhvrIp5R2uHL1m4bnujig96KeQ== X-Received: by 2002:a05:6214:4303:b0:6c5:17cf:d9fc with SMTP id 6a1803df08f44-6cb3b64a42amr93498666d6.46.1727531213408; Sat, 28 Sep 2024 06:46:53 -0700 (PDT) Received: from localhost ([2603:7000:c01:2716:da5e:d3ff:fee7:26e7]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6cb3b610b12sm19398486d6.39.2024.09.28.06.46.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 28 Sep 2024 06:46:52 -0700 (PDT) Date: Sat, 28 Sep 2024 09:46:51 -0400 From: Johannes Weiner To: Kanchana P Sridhar Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, yosryahmed@google.com, nphamcs@gmail.com, chengming.zhou@linux.dev, usamaarif642@gmail.com, shakeel.butt@linux.dev, ryan.roberts@arm.com, ying.huang@intel.com, 21cnbao@gmail.com, akpm@linux-foundation.org, nanhai.zou@intel.com, wajdi.k.feghali@intel.com, vinodh.gopal@intel.com Subject: Re: [PATCH v8 2/8] mm: zswap: Modify zswap_compress() to accept a page instead of a folio. Message-ID: <20240928134651.GB957841@cmpxchg.org> References: <20240928021620.8369-1-kanchana.p.sridhar@intel.com> <20240928021620.8369-3-kanchana.p.sridhar@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240928021620.8369-3-kanchana.p.sridhar@intel.com> X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 5194AC0007 X-Stat-Signature: wczk8n5w7gb155qqmc565ax7qhbd8q4c X-Rspam-User: X-HE-Tag: 1727531214-678695 X-HE-Meta: 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 eOmFZ8Dv 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000007, 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, Sep 27, 2024 at 07:16:14PM -0700, Kanchana P Sridhar wrote: > For zswap_store() to be able to store a large folio by compressing it > one page at a time, zswap_compress() needs to accept a page as input. > This will allow us to iterate through each page in the folio in > zswap_store(), compress it and store it in the zpool. > > Signed-off-by: Kanchana P Sridhar > Reviewed-by: Nhat Pham Acked-by: Johannes Weiner