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 E883C1099B35 for ; Fri, 20 Mar 2026 19:00:06 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 430C66B011C; Fri, 20 Mar 2026 15:00:06 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3E16F6B011D; Fri, 20 Mar 2026 15:00:06 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2D01E6B011F; Fri, 20 Mar 2026 15:00:06 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 1A60F6B011C for ; Fri, 20 Mar 2026 15:00:06 -0400 (EDT) Received: from smtpin03.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 5672813A451 for ; Fri, 20 Mar 2026 19:00:05 +0000 (UTC) X-FDA: 84567356370.03.8FA3009 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf17.hostedemail.com (Postfix) with ESMTP id 7952B4000D for ; Fri, 20 Mar 2026 19:00:03 +0000 (UTC) Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=U6noSgyn; spf=pass (imf17.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@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=1774033203; 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=kmen2rnquLyQqt0IxEKyPJBr6tVm4YkLEBFvGl63Rv8=; b=bn4gstjMB8lnwNtQ4eNYof4HfGO+FFGh84CmvB9Id/MJzlDe+sCj8YU/pUIyKTEDloNKYp p8Ran5ZMmRh7mIpaHARbPp5qW796GCtF2Ts1rxVatesireRqbrvbFPPMgydnD9AXy3tukt Pp3UkV0BOJRP6KX2Jchr01Sk3R8fyXI= ARC-Authentication-Results: i=1; imf17.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=U6noSgyn; spf=pass (imf17.hostedemail.com: domain of david@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=david@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1774033203; a=rsa-sha256; cv=none; b=6b18b6TXYNI7J/4IVK1/sEEovrYBapG1ieZBxYxloY2f5Y1iD32IQDmhCsWSFha9rvyqYS El7klMyS6NYAnUig8HzEDjdYph7ZsnvoZdNWmsfkBi3lR/ArwG101qd3N3iWA2Le9YV8cJ Q2DW7rkEqFFPlyGDdPWpcS+ahSXd6wQ= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 84EBD43A0B; Fri, 20 Mar 2026 19:00:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C0D6AC4CEF7; Fri, 20 Mar 2026 18:59:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774033202; bh=uxjjHqGB/9RLq0brKZBrx/Blf7F9pfvaOhGzXURab98=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=U6noSgyn1uU9HRmh9SUcesG5bhk78ZZSeQvCUVI02fk4o690H+jjA/Q+JF14S57mT eMHvSkw9XBDJjJMY75DbYhtsSLbi805ESbFsOM6JqELUgTPeIpHwh9Sp50jxy5qhWf A73jw6R86xbOD+kK540CETYywtFK1IvGyPQ8GvilUXiST4X6qkw3icdX+dpDfo9YLS 8B10/trsgncfLoUk057WHIu80s52aN7NTdpFsV3dBd0eORO7FPrS0Q9i59j+Ivas7S /SntZLsH12cODAEAZxu1QkmAZ17E48g7HDthJcSLs7bIQHg1mFIqjeF11PsXwgF3b2 rprsq8hy1SC1Q== Message-ID: <7fba6344-710c-426c-a7eb-8e71fdc5cd51@kernel.org> Date: Fri, 20 Mar 2026 19:59:56 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 10/14] mm: prepare to move subsection_map_init() to mm/sparse-vmemmap.c To: "Lorenzo Stoakes (Oracle)" Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-cxl@vger.kernel.org, Andrew Morton , Oscar Salvador , Axel Rasmussen , Yuanchu Xie , Wei Xu , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko References: <20260317165652.99114-1-david@kernel.org> <20260317165652.99114-11-david@kernel.org> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzS5EYXZpZCBIaWxk ZW5icmFuZCAoQ3VycmVudCkgPGRhdmlkQGtlcm5lbC5vcmc+wsGQBBMBCAA6AhsDBQkmWAik AgsJBBUKCQgCFgICHgUCF4AWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaYJt/AIZAQAKCRBN 3hD3AP+DWriiD/9BLGEKG+N8L2AXhikJg6YmXom9ytRwPqDgpHpVg2xdhopoWdMRXjzOrIKD g4LSnFaKneQD0hZhoArEeamG5tyo32xoRsPwkbpIzL0OKSZ8G6mVbFGpjmyDLQCAxteXCLXz ZI0VbsuJKelYnKcXWOIndOrNRvE5eoOfTt2XfBnAapxMYY2IsV+qaUXlO63GgfIOg8RBaj7x 3NxkI3rV0SHhI4GU9K6jCvGghxeS1QX6L/XI9mfAYaIwGy5B68kF26piAVYv/QZDEVIpo3t7 /fjSpxKT8plJH6rhhR0epy8dWRHk3qT5tk2P85twasdloWtkMZ7FsCJRKWscm1BLpsDn6EQ4 jeMHECiY9kGKKi8dQpv3FRyo2QApZ49NNDbwcR0ZndK0XFo15iH708H5Qja/8TuXCwnPWAcJ DQoNIDFyaxe26Rx3ZwUkRALa3iPcVjE0//TrQ4KnFf+lMBSrS33xDDBfevW9+Dk6IISmDH1R HFq2jpkN+FX/PE8eVhV68B2DsAPZ5rUwyCKUXPTJ/irrCCmAAb5Jpv11S7hUSpqtM/6oVESC 3z/7CzrVtRODzLtNgV4r5EI+wAv/3PgJLlMwgJM90Fb3CB2IgbxhjvmB1WNdvXACVydx55V7 LPPKodSTF29rlnQAf9HLgCphuuSrrPn5VQDaYZl4N/7zc2wcWM7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 7952B4000D X-Stat-Signature: zrtwy6mawsipu55wnqdusy9kpi9ewhux X-Rspam-User: X-HE-Tag: 1774033203-554312 X-HE-Meta: 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 fOY6+byX ZD7XMmIMRIoq5BgRHzIe39xZyLD9dlTlQO/7WMBLayNFhZyhg0GFH3QF/6DLS4n2Xw6yymTsMx6zN29wr2+oUa7PZVeeJ+RHi6toja0JenmqMwe9JQ+kmxgDQWB55W7ICz+hxSOst048TlWmQ2D5CpA/M41I4HHtNQRBNhx3ob27Iw+OjyKcH+FxcKKmel1Pq0Y2P7oHSuHJU4bvOh7d6hI3oIK2AGXb8ZnrpdKv2UJhjHorGBzUTcbT0E6M8y7JhYGTBmOE1CEqyTByAqyH1C0dAPcrWtjCdhU72Ns23zev8GQtcxVn8KcP1AQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 3/17/26 20:51, Lorenzo Stoakes (Oracle) wrote: > On Tue, Mar 17, 2026 at 05:56:48PM +0100, David Hildenbrand (Arm) wrote: >> We want to move subsection_map_init() to mm/sparse-vmemmap.c. >> >> To prepare for getting rid of subsection_map_init() in mm/sparse.c >> completely, use a static inline function for !CONFIG_SPARSEMEM_VMEMMAP. >> >> While at it, move the declaration to internal.h and rename it to >> "sparse_init_subsection_map()". > > Why not init_sparse_subsection_map()?? > Or sparse_init_map_subsection()???? > Or > > Joking that's fine ;) To match sparse_init() of course :) -- Cheers, David