From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 6DF2F606A31A for ; Wed, 28 Oct 2026 10:12:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=YuBqUzh1 Received: by kanga.kvack.org (Postfix) id 77CA96B05B1; Wed, 28 Oct 2026 06:12:36 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7558D6B05B2; Wed, 28 Oct 2026 06:12:36 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 691006B05B3; Wed, 28 Oct 2026 06:12:36 -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 45ED96B05B1 for ; Wed, 28 Oct 2026 06:12:36 -0400 (EDT) Received: from smtpin13.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 2E21C160C57 for ; Wed, 28 Oct 2026 10:12:35 +0000 (UTC) X-FDA: 85371620670.13.5F8E143 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf13.hostedemail.com (Postfix) with ESMTP id 875352000B for ; Wed, 28 Oct 2026 10:12:33 +0000 (UTC) Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=YuBqUzh1; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf13.hostedemail.com: domain of ljs@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=ljs@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1793182353; 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=CLByMb/sD+ZAvsSTekY9MbsiY0HI8hmQnYsiCGgVbF8=; b=7Ph44NABDI7PJHy9BSlzn2AfBpEnwkmiM3L5Bpjjq3KLu1a9OxApKVGhHiaXjnKIOH466g drryJkwuCRPqENiioS3TvKRIwfOJ1gpHaIDeDQahpxH0YdFSs7biXzXWbC/h6k5rnIMsMY 3V/Br9z4EwToQzIdc+oUah3ZQfRlgB0= ARC-Authentication-Results: i=1; imf13.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=YuBqUzh1; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf13.hostedemail.com: domain of ljs@kernel.org designates 172.234.252.31 as permitted sender) smtp.mailfrom=ljs@kernel.org ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1793182353; b=LluCcZBcr16SBDELo+1bz2SZ7OlxUDLgOqAOFOfeDFCi/UdZWJM6dP7aTQVXux2QaVucwh oi8OvbcDXDibnVObWViJYIsJ8z6QFb1nfaaHwKrfAQChjeHhj83JJOQa0w5lwnofvaOtTB xiFuSwmhQ+LJ9h56XjwDIbPun+yUa0k= Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id DDC5643589; Wed, 28 Oct 2026 10:12:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9FD541F01825; Wed, 28 Oct 2026 10:12:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793182351; bh=CLByMb/sD+ZAvsSTekY9MbsiY0HI8hmQnYsiCGgVbF8=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=YuBqUzh1l2HE0YDAwpzIJkTNkJHZvsBgVQoXuvebJcvMlK2CX3Qlpb2XrbN9DeQDo JpplHxGpqlnKavhwLga6sy6Q1KnNbnmZ62d51braPNx3KY7zIwhPOMiYz3yJWygjqd jpZz2BEZFPytQxTVeVNOXTowXrcgLAo0Dn6W8LG5SvQtSeTRmemfNSruWtZohfT+x2 wgpjsApsEfTr9+2mJ4A5L5Osk6aBEUd1Ku2RFMscCQy7DiT9aLenhF3ZmgzPajDVfD sfxUf1lOGJA4omOJGn+9LZ3kA7suK2pDT1BRy1FyaW77ilM1apyS6jR2LtUoF4GdSv g2wIDe/oD+4ZA== Date: Wed, 28 Oct 2026 10:12:25 +0000 From: "Lorenzo Stoakes (ARM)" To: "David Hildenbrand (Arm)" Cc: John Paul Adrian Glaubitz , Imre Kaloz , "David S. Miller" , Andreas Larsson , "Matthew Wilcox (Oracle)" , "Mike Rapoport (IBM)" , Andrew Morton , "Liam R. Howlett" , Vlastimil Babka , Jann Horn , Pedro Falcato , Suren Baghdasaryan , Michal Hocko , sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Magnus Lindholm Subject: Re: [PATCH v3 4/4] mm: pass the number of PTEs to move_pte() Message-ID: References: <2bc50d2a6829b49ee909e5bb943244859661a40b.1792609488.git.kaloz@kernel.org> <409079fe-ab52-4389-9fe0-d7246eb27bad@kernel.org> <20261027212610.6798-1-kaloz@kernel.org> <20261028091631.8072-1-kaloz@kernel.org> <25f5cbed-9126-4870-a81e-65099155bc9d@kernel.org> <8d4993cb2f2e5c3300514f1e2616e4a101488883.camel@physik.fu-berlin.de> <5dac5fd3-c2a6-4e1a-98fa-0fe1936b269d@kernel.org> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5dac5fd3-c2a6-4e1a-98fa-0fe1936b269d@kernel.org> X-Rspamd-Queue-Id: 875352000B X-Rspam-User: X-Stat-Signature: pt7h39pw448rhdf857kujfry6nrk7x8z X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Rspamd-Server: rspam03 X-HE-Tag: 1793182353-283546 X-HE-Meta: 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 4Nf6SzzR Q3ih8zPK3aauBsA/itrlgJSPA23zGQL1kdxDAB3yd5S4LmhBqNfYpRE+Plk0xRGyJ+IQMoLb27ap6vdig9u6n3sphj+cVe9hUsF/PirFT97hweApX46Ud7179rTLe06qo8VaQfr/nmY8DbP5weCDe9zVH2Or9He4DTHcxSCliQUkk/i/+DUN04KFcUtrCaqxCRQAmFn9Hq747OcE/DedWqdWgVasnHIPlhORk0qb9Ti32nRUf3wKGEv/cumvv8tsBxE49E8AacySzVO5iuSj8lC9cE3zt0rNWfiXjv5zZgZhMZz4= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Wed, Oct 28, 2026 at 11:02:17AM +0100, David Hildenbrand (Arm) wrote: > On 10/28/26 10:58, John Paul Adrian Glaubitz wrote: > > I don't think it's fair to make the kernel exclusive to very recent hardware only. Nobody's making the kernel 'exclusive' to 'recent' hardware. It's about overburdened maintainers having to deal with museum-piece hardware at the cost of literally _everybody else_ who uses linux. Use an older or downstream kernel - problem solved ;) > > "Very recent" find the mistake. Exactly... > > (sorry, I'm unusually grumpy today) Justifiable ;) -- Cheers, Lorenzo