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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 08667FD8FFD for ; Fri, 27 Feb 2026 19:42:15 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 42A7B6B0005; Fri, 27 Feb 2026 14:42:14 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 3D83D6B0088; Fri, 27 Feb 2026 14:42:14 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2B6E16B008A; Fri, 27 Feb 2026 14:42:14 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id 1500D6B0005 for ; Fri, 27 Feb 2026 14:42:14 -0500 (EST) Received: from smtpin08.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 6C9C9BBB35 for ; Fri, 27 Feb 2026 19:42:13 +0000 (UTC) X-FDA: 84491257746.08.9C0BDC6 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf24.hostedemail.com (Postfix) with ESMTP id 4C2FD180004 for ; Fri, 27 Feb 2026 19:42:11 +0000 (UTC) Authentication-Results: imf24.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=NRJvXF3f; spf=pass (imf24.hostedemail.com: domain of kas@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=kas@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1772221331; 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=mLjmZvowIH85J0FwSVwOMBfeWcFPuRaToy5uLaDzfa4=; b=S2h8W5YdvTNwmMSkVwOCZVVTEf1CsOfBn+dSvqpmfUNWclyMEku73Jj07yGEIS0pt2I8Bc 57dwAyP1XyNr5F8pF9n9TWJMfLki9RcNj6Y3n5WvOIRWfkwagIUSHVoCA/P4ciSMO7iS2Q Mq4ScXqkai4Vk8B781GPAWhse6SlTA8= ARC-Authentication-Results: i=1; imf24.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=NRJvXF3f; spf=pass (imf24.hostedemail.com: domain of kas@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=kas@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1772221331; a=rsa-sha256; cv=none; b=xQ3+Br73Ky2Oivp1xTlMeTEM+vkZtJrWfZaMBA4bMAtaSWfcXOpAvsjKxrfEWWgaQCgCPQ lRSwv90ugIg7Y/llPgVYtlnpvZI20al5Np46myds4uNOgcN4pAjJ+dUOAceB4YOeq2dFaK sC9tuTzUwVoHFSin96hN9kcHT6ta8c4= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id E4D0F441FE; Fri, 27 Feb 2026 19:42:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E8A62C19421; Fri, 27 Feb 2026 19:42:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772221329; bh=qix5xWTZDms/A62vFZUqjLyjGKPSA6VqMVFDJq6TWjI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NRJvXF3fbr382lsZe850hbuq9j2JDOKV2XZPmh+z/rg6YPJmsZJ0SVFAT9XEUXPkc pOXr0I9yUmoutFoqqNA2ucqYDU/wdEGiKNP2owFrRl8s2rNtFR40MafvGtb60kyBA+ 840cibMCM3XKWjfw+XGo2sdfV9rNrTjo3Q1QzLLXyDx7upGDirSvn5LqSiAnCLffDe 3pw/54OCYfvwLR38FAIfiqkwgSprW+Z10tr4sP60IbptX8QkIH0GxoX3hkZxmsUo3i X41ngQO5Z2WYS8My+sW8C1KEtjCaVh8m3TYYPNZbdEyC/2p1ohHKmvE2mxoI0piXiu pGLCAQqEJNz7A== Received: from phl-compute-12.internal (phl-compute-12.internal [10.202.2.52]) by mailfauth.phl.internal (Postfix) with ESMTP id 0F16FF40068; Fri, 27 Feb 2026 14:42:08 -0500 (EST) Received: from phl-frontend-03 ([10.202.2.162]) by phl-compute-12.internal (MEProxy); Fri, 27 Feb 2026 14:42:08 -0500 X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefgedrtddtgddvgeelkeejucetufdoteggodetrf dotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfurfetoffkrfgpnffqhgenuceu rghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujf gurhepfffhvfevuffkfhggtggujgesthdtredttddtvdenucfhrhhomhepmfhirhihlhcu ufhhuhhtshgvmhgruhcuoehkrghssehkvghrnhgvlhdrohhrgheqnecuggftrfgrthhtvg hrnhepueeijeeiffekheeffffftdekleefleehhfefhfduheejhedvffeluedvudefgfek necuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepkhhirh hilhhlodhmvghsmhhtphgruhhthhhpvghrshhonhgrlhhithihqdduieduudeivdeiheeh qddvkeeggeegjedvkedqkhgrsheppehkvghrnhgvlhdrohhrghesshhhuhhtvghmohhvrd hnrghmvgdpnhgspghrtghpthhtohepheegpdhmohguvgepshhmthhpohhuthdprhgtphht thhopegrkhhpmheslhhinhhugidqfhhouhhnuggrthhiohhnrdhorhhgpdhrtghpthhtoh epmhhutghhuhhnrdhsohhngheslhhinhhugidruggvvhdprhgtphhtthhopegurghvihgu sehrvgguhhgrthdrtghomhdprhgtphhtthhopeifihhllhihsehinhhfrhgruggvrggurd horhhgpdhrtghpthhtohepuhhsrghmrggrrhhifheigedvsehgmhgrihhlrdgtohhmpdhr tghpthhtohepfhhvughlsehgohhoghhlvgdrtghomhdprhgtphhtthhopehoshgrlhhvrg guohhrsehsuhhsvgdruggvpdhrtghpthhtoheprhhpphhtsehkvghrnhgvlhdrohhrghdp rhgtphhtthhopehvsggrsghkrgesshhushgvrdgtii X-ME-Proxy: Feedback-ID: i10464835:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 27 Feb 2026 14:42:05 -0500 (EST) Date: Fri, 27 Feb 2026 19:42:01 +0000 From: Kiryl Shutsemau To: Andrew Morton , Muchun Song , David Hildenbrand , Matthew Wilcox , Usama Arif , Frank van der Linden Cc: Oscar Salvador , Mike Rapoport , Vlastimil Babka , Lorenzo Stoakes , Zi Yan , Baoquan He , Michal Hocko , Johannes Weiner , Jonathan Corbet , Huacai Chen , WANG Xuerui , Palmer Dabbelt , Paul Walmsley , Albert Ou , Alexandre Ghiti , kernel-team@meta.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, loongarch@lists.linux.dev, linux-riscv@lists.infradead.org Subject: Re: [PATCHv7 00/17] mm: Eliminate fake head pages from vmemmap optimization Message-ID: References: <20260202155634.650837-1-kas@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260202155634.650837-1-kas@kernel.org> X-Rspam-User: X-Rspamd-Queue-Id: 4C2FD180004 X-Rspamd-Server: rspam08 X-Stat-Signature: ggg8xhherymq6tzf3gohsn8gduardinc X-HE-Tag: 1772221331-519667 X-HE-Meta: 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 rWhK1nUc 4Dmi1t5Y8CEFJQY/Tmu4831SE8WdDCbOC2ZaaUE6UGjRNTkWSV3eP1ErZwuRQnKN6Nm0E09sm6iXgYV7xr27wvTGfX76X3MfVtfXQUhuvLNjDX4+3ucpuKj3i7kM22sR1veLniFj6R74kTAGOMB17kZNCZTni+vHieGJwAuizUD9ybKlrc0s3u+W49Icq86IHDiuSmFEgOsyYKbZdcr9WIajM2fVmTbG/bGiJ7Zp4r6yU9JCrbsLnH0ydPEhtJcnyidCakWca+ibPAuBr2g0O726DZRNILRdGgR1OTM4i8MnYCaA= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: I've screwed up threading in the submission, please ignore. I will resend properly. Sorry for this mess. I should have figured out mail by now :/ -- Kiryl Shutsemau / Kirill A. Shutemov