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 411F9CD4855 for ; Tue, 12 May 2026 08:52:03 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 7EFF76B0088; Tue, 12 May 2026 04:52:02 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7A0326B008A; Tue, 12 May 2026 04:52:02 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 68F5D6B008C; Tue, 12 May 2026 04:52:02 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id 5869E6B0088 for ; Tue, 12 May 2026 04:52:02 -0400 (EDT) Received: from smtpin24.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 092561A03CC for ; Tue, 12 May 2026 08:52:02 +0000 (UTC) X-FDA: 84758150484.24.CE4D3F7 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf04.hostedemail.com (Postfix) with ESMTP id 2FDC840013 for ; Tue, 12 May 2026 08:52:00 +0000 (UTC) Authentication-Results: imf04.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=iXnwiJZe; spf=pass (imf04.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=1778575920; 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=123Ndpn9usB/fj80V/gGvMswDkYDBrGca0qJpzvvx/A=; b=xk+OoqSHZW8uvmxeSAmdNs+PhOf6y3WLnUnBCoqr9JyYZuRJOVYGccneibVzAXSqz41iVA TEG5g/rucSfkwAeLK9mTseAyJzcH0efj2EWnC/G7gbcKBdIh6++6HXjoQvyN06uaAAILOC KGJn0Ev4m9DWBpy0JUEvd32W8zJVGfk= ARC-Authentication-Results: i=1; imf04.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=iXnwiJZe; spf=pass (imf04.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=1778575920; a=rsa-sha256; cv=none; b=8pSS4wSyx2k80sE5x8Rp0DaT6NLM5F5Q9BMJMj0tw2HBYaWO2ZaJJNdRY7P3kUpHIW/fdN sfj73/29tzi/FipxDveK2KrmOAKCl7xf49dmDr0O7+mYL7I30OQbO5iEjcE/ld7P3kSS91 +hRGP29Cx4/ou/iKI2ooXMVUZNQbwjk= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 3551041721; Tue, 12 May 2026 08:51:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C458C2BCB8; Tue, 12 May 2026 08:51:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778575919; bh=8kkUYwgGflfxYAXUpjpPomPnxblGEVzpqXI2HInpT68=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=iXnwiJZeM/RS29oCQlPf5nX4nxFha2hJZIb0XFte7bpFVx2elbJJoheHEzVPJxkFb TqUdOFywJqqqGUDoQA6Wkl4pEdLNL+jdbP46ee692tBJU0LAxde/x80sgpCWu2nucf +48/JRBUdVsAoj/+5i3ZXVnGxrHih7As30BZIGs4lTRaiBOvDDkUXceU2BFXEfHqi0 uJwE3Pr61euYVS/WmDaLrbqdwcNCWCMAMShh7djh/Q5QKk1oSroyTEQkjB+MeccMKv L3Is85duQwVuakH+LKH8lB6PeIXxeBCxTRgg1lEZPOn3cnKiF4/fLfBDXY7aRr2OwT DSS9QISwm9ZEg== Message-ID: Date: Tue, 12 May 2026 10:51:53 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/8] mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE (Part 1) To: Oscar Salvador Cc: "David S. Miller" , Andreas Larsson , Mike Rapoport , Andrew Morton , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org References: <20260511-bootmem_info_prep-v1-0-3fb0be6fc688@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-Stat-Signature: ifwfneboi8wrfkpjy7qkw13hkw4dxx4x X-Rspamd-Queue-Id: 2FDC840013 X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1778575920-874954 X-HE-Meta: U2FsdGVkX18QwED7/7Unnnp3ezBXxYeyVbLOv39Rd5qdfyIIQa3QPFAyQA1WD45JeE+Mz52IsSG7s8ltAecn+7GFV0F3MPX2F6L+Bf73c5grJwdcfg2AYLg9Utte2NN+P9syIRJQ/nIre0fJe5EXUcPTVUNKSkuZJBel4SyK+wR2b8DFY+LLq8v5grPBcCro2K1q+GUWbqX9Q/F6z+tYzabZvTM7YmDKC3zNWqntViRA3oNWZxUiZkVsG/8LwkP+B0eNpSKg438mI5slKOvKxkeRfTc5wz8r5z5wxfuPF6o9f3Z3eweFb07Nc3/foXBqD4pP9UueZUS5tpFPijwpiOW3SMnl4nnSeuUeN8O5V13ocMh2hRZGa3LAsn8wwbL8LhJO6TnEFWWEtgEdaKKzAPm9GBLrONJJccsIZaHlioyKXeOO8BFx7AvDPKNukBWI6tMk9BwbFaAssOfW9APmnD1/cKpyI6tSbYbyM+s1BOm4vQxsWvfx+SzOFE5Yeo4g2ZxU/jw3xk3iB9wjhLnslEBSgJRmJm9q95vy9KneWtoiagxrUVlMi3Yv4kC8r32XODTFJX2bnp8JC+V+TaugNnIDpqNac46qMXH716fUV8YN9svmbDUogwmrjqy7Tg6Pcfld+P2jaBvvFwmGUntxbY0NKo9mhwNkWoWFrB+5o05+Ed2Xv38wiWksCgJW7L9r2Kh41phvEt7V8bbvaBZLpo9Rw1akyecqo9hIZXjQ8f2swARreVkNkYiEeLcnnJg2ipAUbGkvDWaPtFvD7BIZXLQa2sgI4qNBqdEdAypDc4WzWsKipvA08wCGUREqAQRPvRZoLxX7bBrFwsRt1XXxns8SQWvGBCr8gg8TdXMFtfIRct/ocjVxC6p2UaR/AkA8YxL4H1nGvLvZc5rZkSApJrdkPQ0VFAvD/d8KEgL0udNUOIRw2eTBfGHRiHwVo5G0S0nzNRIEl9/s+W1ZzYv Cwwd3E3+ p9oEzqPjiuX8SzLrygveeZQuK/UoT9fUxfdg/n7qFcuFiiJxoP9stPiNw80xCbv7+7eSIzjTskjqm+S+kKW82gfXrW2iWDZ0gE748nNvIts6fVTp/PUX+7uA2BmMuYP8eTDTWUS/FWHMh6EkJ1p1bMixm2RTSipkxcXl6r+K6f18+B7Tpx8lfPD56umJn83PlqI8NGGWm5eGUxP0j3MOxxzan44JOOcYYrt/LfoJ9v/7rY76jdjc5cifwpU/zt5I613HwjYrD7f3OXXgKwtCuj9aWABjRfQTKrQxMPl7/8CK4EM/C+PHvS7F9zh8OwDoeFq/XwVpCpjZrvaM= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 5/12/26 10:45, Oscar Salvador wrote: > On Mon, May 11, 2026 at 04:05:28PM +0200, David Hildenbrand (Arm) wrote: >> We want to remove CONFIG_HAVE_BOOTMEM_INFO_NODE. As a first step, >> let's limit the remaining harm to x86 and core code, removing >> sparc, ppc and s390 leftovers, starting the stepwise removal by removing >> and simplifying some code. >> >> Once a related x86 vmemmap fix [1] is in, we can merge part 2 that will >> remove CONFIG_HAVE_BOOTMEM_INFO_NODE entirely. >> >> Tested on x86-64 with hugetlb vmemmap optimization in combination with >> KMEMLEAK, making sure that the problem reported in dd0ff4d12dd2 ("bootmem: >> remove the vmemmap pages from kmemleak in put_page_bootmem") does not >> reappear -- hoping I managed to trigger the original problem. >> >> Heavily cross-compiled, but let's let build bots run on it for a bit. >> >> [1] https://lore.kernel.org/r/20260429-vmemmap-v2-1-8dfcacffd877@kernel.org >> >> Signed-off-by: David Hildenbrand (Arm) > > Awesome cleanup David, thanks for doing this ;-) Thanks for the review, I'm sure you'll enjoy part 2 :) -- Cheers, David