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 42713C44536 for ; Thu, 22 Jan 2026 02:23:18 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id AAE326B00B0; Wed, 21 Jan 2026 21:23:17 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A85706B00B1; Wed, 21 Jan 2026 21:23:17 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9B2116B00B2; Wed, 21 Jan 2026 21:23:17 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 8A8176B00B0 for ; Wed, 21 Jan 2026 21:23:17 -0500 (EST) Received: from smtpin11.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay08.hostedemail.com (Postfix) with ESMTP id 230C7141546 for ; Thu, 22 Jan 2026 02:23:17 +0000 (UTC) X-FDA: 84358002834.11.763A74F Received: from out-182.mta1.migadu.com (out-182.mta1.migadu.com [95.215.58.182]) by imf23.hostedemail.com (Postfix) with ESMTP id 5666F140007 for ; Thu, 22 Jan 2026 02:23:15 +0000 (UTC) Authentication-Results: imf23.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=bNnN+GwT; spf=pass (imf23.hostedemail.com: domain of muchun.song@linux.dev designates 95.215.58.182 as permitted sender) smtp.mailfrom=muchun.song@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1769048595; 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:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=bmiF8TW43ZnSou9pgCsnR1V6kCn/RdefnmsG8Ds8z2o=; b=UzNHB4Oma//BATwsK9W1B0pIUR3/YB46UPeaW0fGyYfbPnKzJWmN3jR9h8FKrT4uinE+OA KQCczvYCJTJ6sMZDN05pJrPEMBjDbFwpMO3xCgKZy9o4WBtJekLKT7I725/kqY7oPhRJa/ 3YDDS4g4C0+Ejbcq4nxDup6uuKu4Pes= ARC-Authentication-Results: i=1; imf23.hostedemail.com; dkim=pass header.d=linux.dev header.s=key1 header.b=bNnN+GwT; spf=pass (imf23.hostedemail.com: domain of muchun.song@linux.dev designates 95.215.58.182 as permitted sender) smtp.mailfrom=muchun.song@linux.dev; dmarc=pass (policy=none) header.from=linux.dev ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1769048595; a=rsa-sha256; cv=none; b=iTyuW8rPxOD9DSfwNZQe30hWyHaN2r126RgiPVU/MxGFIPXycI+nuEc/fG50k7jvGlTf/3 JkI/7Dmo6DWDc4zJOJAMnR/ChzRar7n55J+omE1RtsgLgVjEyY8fGBVQe7QQmlCRahzvye Xlsup2rwQJcpsCTvCuYw/Y+BTskppQo= Content-Type: text/plain; charset=us-ascii DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1769048593; h=from:from: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:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=bmiF8TW43ZnSou9pgCsnR1V6kCn/RdefnmsG8Ds8z2o=; b=bNnN+GwT+bN5BoNeArtLq1vGEBoMkCINtSJT2U6wT57wr0hFyp6KTmhsbVQ69A05kmZ0bY lXw5fVrGTmsqyClAs8vdbKy/nWbbOuhGxLKtjORbt+pFfMIGbq6ddWUnWZi515oj0sxdA8 KaAJSttz0Ocbu3sPdlMuKQ7FWrDCIpo= Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.300.41.1.7\)) Subject: Re: [PATCHv4 14/14] hugetlb: Update vmemmap_dedup.rst X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Muchun Song In-Reply-To: <20260121162253.2216580-15-kas@kernel.org> Date: Thu, 22 Jan 2026 10:22:08 +0800 Cc: Andrew Morton , David Hildenbrand , Matthew Wilcox , Usama Arif , Frank van der Linden , Oscar Salvador , Mike Rapoport , Vlastimil Babka , Lorenzo Stoakes , Zi Yan , Baoquan He , Michal Hocko , Johannes Weiner , Jonathan Corbet , kernel-team@meta.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Content-Transfer-Encoding: 7bit Message-Id: <17A1336D-2D78-4F00-9164-D90BB7EBB707@linux.dev> References: <20260121162253.2216580-1-kas@kernel.org> <20260121162253.2216580-15-kas@kernel.org> To: Kiryl Shutsemau X-Migadu-Flow: FLOW_OUT X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 5666F140007 X-Stat-Signature: yhek77y7q6wp3z9bz95q8ce47a7i83az X-Rspam-User: X-HE-Tag: 1769048595-708940 X-HE-Meta: U2FsdGVkX19/XvzGa6puf7hNjwJvydy0nZCTGTFS0IphQtNFEUjV6qpMykmYf7EKv6EpJ4H7bBBopES58Q+6NYIBkcYEyO6UxP8yiuWtZocKFAWFPvhJt3ahhoF14TNwg9UCQQR6ZadjqA2BuMsyrId+HtsFGlz2LtTMsRe2PSFN42hWAJdfpsg5f1cTevFnAhdpCIKCfSl6Yu/PwE2dupkDYHhm8C69Fwfv8eVYU5lnDKns4m+NEyAt5Np5jDpI2SJu96I1wm/hdB/chl1oC3bJ4a164CAKUE6ojYVL9ac5Q2OctUr/PVxvG7JKhfeGqW2flO9n8tq3Ep4zqfDwitjC+ekLQjcH3ycAIK74ArRH9ejMZBxAjD/VXqSl86z0+93RdlIu9BK9YXbwesIpokiMT5XJ+en6+0wYPjB2piWAvB+bPetE0SI3wQHO6OsWb1T8xG3h1+bcYvEV4q7eF6vPyUlmMWrAmMrhfvuM/2Xpx2mKZALK1PEZ5GxfDLAVq5HQE43GT29SY/PKl1b4bRqMvqmfl8VX1vn0vZsYPQ9w1iUys3zcno2fZw+M4b194czCKSTAkOk50M0TIUNSi/VqhSVeS6IHre1MdcHmONmxa2gE+ftlln1ZBMVWcuuBtmcKIYs1adHwsOPjipOF295oWzX2+/5AuhWjrne4qBnD5kv4dzU77bDYEHzEu7uGx1jvUAv2m/9VyukZc5Lsmz7Mjvmmgio0jUy4frsREHpyp2S9YAbuz4/WFtJtvneJvz4JnMyShm67uoqetcc5kXrWm/MAaS+/MrRejzx27Emt6FEJkz0OcEAQmCk4xF3znD/hnH66GoRSkFhXM22D/sTHPkVxMQdnkNLV8RzJ+Ewt3Pj9cEyBqTB5sR0lYbmXyvvSUFzEF50XKw2mekB19rCx1xj3fXi+XTsUzwp+AYkBAWsCJj/3XCcVCtnQEhUWxTT9Uv/Uh4o8jXxU74c c/pm1Qkj bBFd1qqF0p8BqSHHvu5UbeE+2FINzXP/XKshaD7vV5v0v22OcHtOhJY4RCAVN7rnDIPYYCv0LX7wTYkA0iliWZHa9Tilux4osqWGJjzNUPZCMdqrrDxq2SMuLIxISD+MKJClSaqi6+wTCr0cDAadtC9vgVOhRX7uskaDrPRmgsgT00qH26KpsMjbWKSmmZt3Yr0l0YKVuUvRKmo7V23sTJVS5XyNEeoZtggEF0bl3KgYI8CX/xZl14/7JieZ9VN6uZKliWVTYBIoeFPOnea0hVp/Uvpbct4Mhfw+8+jLey88b2VuPEsMH4Shg/w== 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 Jan 22, 2026, at 00:22, Kiryl Shutsemau wrote: > > Update the documentation regarding vmemmap optimization for hugetlb to > reflect the changes in how the kernel maps the tail pages. > > Fake heads no longer exist. Remove their description. > > Signed-off-by: Kiryl Shutsemau Reviewed-by: Muchun Song