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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E0AACCD4F26 for ; Tue, 12 May 2026 08:45:17 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4gF9CH2W39z2ynn; Tue, 12 May 2026 18:45:15 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2a07:de40:b251:101:10:150:64:2" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1778575515; cv=none; b=DsVXqTiV7ZfCwDgx0htoiLP+Mb4YtAX2eNMUsbBq3eNw+qs1ar3UPHDjsjzt9YNPZG5bL90iZkpu3lN0jCdBN8QrtGLhi/hbtyGDeS37g38k2nBHcBt9xOHgJRAviYPdO2SnyzzHhsshGVR5WgiulaO0EqE7NXKSTBjXUml2xFbvuAo5OqD2VEqhxe8I0vs8boFvcJ8kJkbmZ/v0yh5Wzt9MkLVeOW4+X59DBvnbkBaQHW+RZGt38Lo4smIvtnfthsmfZl9spASbhqkI1XXlh/tRsyUx6o3V/UY26AlfKIlN1KF6B7GVBD3kLU6ti2cHRNqEpVh52ER6qob5ap6XRQ== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1778575515; c=relaxed/relaxed; bh=VVhUu+lg1kvYAZheHCbKtRrVHTg43eeZOy4q05OgGw0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=aK+aMgXAeTMAFKupLOnFKitCc2ryqPj1tnh2HO5uA4DjXwglNwYRVCZfz0lTt1hFJubz9o/iWVI/M7TlW+zd+MhsDb0SLvZxwhKIuIfD0Bqmra4qbDOKaXCgW4K5/mTN3okxxos8wzUaUVTtqqRGUx+A7RBgXBlR0By6glDtIDKqdWGDgoFNbw7rapawnqjlZCFTZ4GqSLrAWauXuw3iR51+nMPDEBstYGfoGcFGK6ad6Po74wosuztXV+Wa3HvLbwOSSQkFhTNd/kcRNtuHlHyTnSbladJeXMcJdbXJZY5g2uz4Jvwwtm0JssgCXTfOro/V+nzSaLqLYYgEXcv7tQ== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=suse.de; dkim=pass (1024-bit key; unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=0DIAw/Lb; dkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=wlS+ubs2; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=0DIAw/Lb; dkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=wlS+ubs2; dkim-atps=neutral; spf=pass (client-ip=2a07:de40:b251:101:10:150:64:2; helo=smtp-out2.suse.de; envelope-from=osalvador@suse.de; receiver=lists.ozlabs.org) smtp.mailfrom=suse.de Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=0DIAw/Lb; dkim=pass header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=wlS+ubs2; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.a=rsa-sha256 header.s=susede2_rsa header.b=0DIAw/Lb; dkim=neutral header.d=suse.de header.i=@suse.de header.a=ed25519-sha256 header.s=susede2_ed25519 header.b=wlS+ubs2; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=suse.de (client-ip=2a07:de40:b251:101:10:150:64:2; helo=smtp-out2.suse.de; envelope-from=osalvador@suse.de; receiver=lists.ozlabs.org) Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2a07:de40:b251:101:10:150:64:2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4gF9CG3xy7z2yYs for ; Tue, 12 May 2026 18:45:14 +1000 (AEST) Received: from imap1.dmz-prg2.suse.org (unknown [10.150.64.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 1EADE5D634; Tue, 12 May 2026 08:45:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1778575512; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=VVhUu+lg1kvYAZheHCbKtRrVHTg43eeZOy4q05OgGw0=; b=0DIAw/LbkWRCYPpD3+i1wnlozxRda8gJxf0kVkjNTDXsTbOdeGH/d4BBCo6imoUNbuN6hC A+aBChhNKHHqLAz+qr+5HJ/EO0w9hc6E3Euu0JajBE6G32rTNIRLPKJjnBwwRBLnG/raic dzzpDPMWy2jOOFSnfNkzfdC4jyKQCdQ= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1778575512; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=VVhUu+lg1kvYAZheHCbKtRrVHTg43eeZOy4q05OgGw0=; b=wlS+ubs2D6Ep/tmUl0C2jTHAHUUW9og+1my0meSb8uJ28QcnzxeTrdYUZof5QUj/PfTmeB 6ZtA3N0+klZT+5Cg== Authentication-Results: smtp-out2.suse.de; none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1778575512; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=VVhUu+lg1kvYAZheHCbKtRrVHTg43eeZOy4q05OgGw0=; b=0DIAw/LbkWRCYPpD3+i1wnlozxRda8gJxf0kVkjNTDXsTbOdeGH/d4BBCo6imoUNbuN6hC A+aBChhNKHHqLAz+qr+5HJ/EO0w9hc6E3Euu0JajBE6G32rTNIRLPKJjnBwwRBLnG/raic dzzpDPMWy2jOOFSnfNkzfdC4jyKQCdQ= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1778575512; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=VVhUu+lg1kvYAZheHCbKtRrVHTg43eeZOy4q05OgGw0=; b=wlS+ubs2D6Ep/tmUl0C2jTHAHUUW9og+1my0meSb8uJ28QcnzxeTrdYUZof5QUj/PfTmeB 6ZtA3N0+klZT+5Cg== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 23421593A9; Tue, 12 May 2026 08:45:11 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id uZmDBpfoAmo7DAAAD6G6ig (envelope-from ); Tue, 12 May 2026 08:45:11 +0000 Date: Tue, 12 May 2026 10:45:09 +0200 From: Oscar Salvador To: "David Hildenbrand (Arm)" 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 Subject: Re: [PATCH 0/8] mm: remove CONFIG_HAVE_BOOTMEM_INFO_NODE (Part 1) Message-ID: References: <20260511-bootmem_info_prep-v1-0-3fb0be6fc688@kernel.org> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260511-bootmem_info_prep-v1-0-3fb0be6fc688@kernel.org> X-Spamd-Result: default: False [-4.30 / 50.00]; BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; RCPT_COUNT_TWELVE(0.00)[25]; MIME_TRACE(0.00)[0:+]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; RCVD_TLS_ALL(0.00)[]; TO_DN_SOME(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; FREEMAIL_CC(0.00)[davemloft.net,gaisler.com,kernel.org,linux-foundation.org,linux.ibm.com,ellerman.id.au,gmail.com,infradead.org,google.com,suse.com,vger.kernel.org,kvack.org,lists.ozlabs.org]; RCVD_COUNT_TWO(0.00)[2]; MISSING_XM_UA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,localhost.localdomain:mid] 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 ;-) -- Oscar Salvador SUSE Labs