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 A73F1106ACE5 for ; Thu, 12 Mar 2026 19:54:47 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 15AC86B00A5; Thu, 12 Mar 2026 15:54:47 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0FE796B00A7; Thu, 12 Mar 2026 15:54:47 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 004C86B00A8; Thu, 12 Mar 2026 15:54:46 -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 E35C16B00A5 for ; Thu, 12 Mar 2026 15:54:46 -0400 (EDT) Received: from smtpin14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 7B1ED585BA for ; Thu, 12 Mar 2026 19:54:46 +0000 (UTC) X-FDA: 84538463772.14.8011158 Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by imf24.hostedemail.com (Postfix) with ESMTP id 9B69D180008 for ; Thu, 12 Mar 2026 19:54:44 +0000 (UTC) Authentication-Results: imf24.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=iSzk4avl; spf=pass (imf24.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=1773345284; 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=PfkOcqhXFxA9PiSl14DA3G1JNqOSdTvV2t/DRJQEYDU=; b=FfGKvQ+5Eg6f+/HQcbS5lQ/wioUxglhTGJSBreAaPQ8qPLmw+DdSbpBJgA+J8jkHTaYzDj wTKActo+qudhOhpyF/8QLOXARCSIFVWWKm09eWuNpdh+NDD8kjV7GnfMZoPxBggLFJTF9F xS0UAcsCvLoviwRhQ/jGVaBhmIRoseo= ARC-Authentication-Results: i=1; imf24.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=iSzk4avl; spf=pass (imf24.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=1773345284; a=rsa-sha256; cv=none; b=wV29by6ojCPD/i43+5BDFLe0BFgS5l4TrmUMhy2Oh+tfIla5iioVsTLi6nIy2ryL8bDIfz ALdHYOUdYzzCYE+zi2YUl1dvPLsc+J+HymZl9SWuJcsIdMTOhqEHCZmLtxY8rKU9voziBT x9pnKHMNy0MA/4V6jECZWhb6EfAakkg= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id A77984441A; Thu, 12 Mar 2026 19:54:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BE1A3C4CEF7; Thu, 12 Mar 2026 19:54:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773345283; bh=OBCfG9u3DvXwt1MtllXM5gETtRktObPfLgkWnIlyb+M=; h=Date:Subject:From:To:Cc:References:In-Reply-To:From; b=iSzk4avlrOlfEVM4USEyeYBoWRm+qcJUIdyTVAkiCGccUnxBLT2ozYh694LRjNcSl yE5/I/pQwTbe/scPpoqiiq/w8grtIXOHd6DueNrsu3q1fxq2gTr8f84403lWWgek0/ 4ZJqFJXu/B97G2XklnJ+Bo9FUzdDR+fgg8YQiXHdGVsJo6DKKkrsLeuyYZ6euFRkIc 7L1CihLA7xiZAJpgra0LNFhrP5KKR8qVCF4STk3TN3/sK+jyZ4D4UubbLO3bScMzz0 YlNxJxCdafMWaznDB0r9lh17u2idN7EduC+ODZM+SQcpORT5IGhs6xTVj4GTzombgf BPWLC1FlPwTqQ== Message-ID: <39436a71-adc3-4ca1-8c4a-87dd4cc955d2@kernel.org> Date: Thu, 12 Mar 2026 20:54:36 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 01/11] mm: Relocate the page table ceiling and floor definitions From: "David Hildenbrand (Arm)" To: "Liam R. Howlett" , Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Suren Baghdasaryan , Lorenzo Stoakes , Pedro Falcato , Vlastimil Babka , Michal Hocko , Jann Horn , shikemeng@huaweicloud.com, kasong@tencent.com, nphamcs@gmail.com, bhe@redhat.com, baohua@kernel.org, chrisl@kernel.org, Matthew Wilcox , SeongJae Park References: <20260121164946.2093480-1-Liam.Howlett@oracle.com> <20260121164946.2093480-2-Liam.Howlett@oracle.com> <231fd45e-3c0a-4c9f-917d-255d03fed6f2@kernel.org> 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: <231fd45e-3c0a-4c9f-917d-255d03fed6f2@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 9B69D180008 X-Stat-Signature: xbexqxja97yxeybdied7aedyrxieq969 X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1773345284-244175 X-HE-Meta: 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 yBNSIoUk rUVe/uh9KUEd1Ej7JSVf5sF2d0u96/Pqx5V6Ip3kO/lsmkySWo6S4CU97+ntFcJdxbDtYj/55rmpqL4JqebeNaotSodsbcvsUELqjIbyLjzRA2cmEWd5YmfGNTPlT/Eszl6eSqs7nh1VxE50V42knhhxIRzortwcTDxyL47dJSTs35+GsZ22et5aIrJU1IwXqxrbOU1osXot4r8AQYFUBzQwgAbBC/6fCFiCQ442EbfcOChgWOsA1IpdMruWQu5brRiHODsT4jYsCxA0yOr/XtTE5SNkaw4zdoae17qnOd8glBcvSDH0m1gmXUA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 3/12/26 20:53, David Hildenbrand (Arm) wrote: > On 1/21/26 17:49, Liam R. Howlett wrote: >> pgtables.h defines a fallback for ceiling and floor of the page tables >> within the CONFIG_MMU section. Moving the definitions to outside the >> CONFIG_MMU Allows for using them in generic code. >> >> Suggested-by: Lorenzo Stoakes >> Suggested-by: SeongJae Park >> Signed-off-by: Liam R. Howlett >> --- > > > [...] > >> + >> /* >> * No-op macros that just return the current protection value. Defined here >> * because these macros can be used even if CONFIG_MMU is not defined. >> diff --git a/mm/vma_internal.h b/mm/vma_internal.h >> index 2f05735ff190c..2da6d224c1a85 100644 >> --- a/mm/vma_internal.h >> +++ b/mm/vma_internal.h >> @@ -46,6 +46,7 @@ >> #include >> #include >> #include >> +#include >> >> #include >> #include > > I was also confused by that change. But it's not worth a respin :) > > Acked-by: David Hildenbrand (Arm) > Ah, and now realizing that this already hit upstream. -- Cheers, David