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 3C8DD1039893 for ; Fri, 27 Feb 2026 20:37:12 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 6E8BF6B00EA; Fri, 27 Feb 2026 15:37:11 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 69BEF6B00EB; Fri, 27 Feb 2026 15:37:11 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 540BF6B00EC; Fri, 27 Feb 2026 15:37:11 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 42DAC6B00EA for ; Fri, 27 Feb 2026 15:37:11 -0500 (EST) Received: from smtpin22.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id ED499BBF2E for ; Fri, 27 Feb 2026 20:37:10 +0000 (UTC) X-FDA: 84491396220.22.4976BBA Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf06.hostedemail.com (Postfix) with ESMTP id 3ED6D18000D for ; Fri, 27 Feb 2026 20:37:09 +0000 (UTC) Authentication-Results: imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=tmDIHN6I; spf=pass (imf06.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 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=1772224629; 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=qSO5+iSjdTthd6BpICp0pDQBiDN7GWLSFgp3RR7fuQc=; b=5OTzM7uTKIfQzSoRynrwh/M8FuJhQ1MQwrZUOUe0KsiQvpnGJWks/8/b2mw6eTrsMIPmn/ S+WNFM6SJPhyoXShojkwPUGJg6fCU1x4B4xatRgnhYNvhmV0Am22ygggz3B2yWxDaqyiRH qSA9rv/9ckTlfCe/yHqVsfQ4jWof3aU= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1772224629; a=rsa-sha256; cv=none; b=t2KjCU6ZkNmU4hX/eHmC3maVD9JrWsBjjztP0OZ4pFNPeqGhpvjAgXUKLA/7hTFkfIQZLX A3t5vg2GKNhKtJsTxvu2DQWnw+DpyDAll2ojIBoyhj1wMMmFCy2XU420FIlqaOQBANKdn1 p7g5RamwVlrY7CprEQTAJN9+rApxYmA= ARC-Authentication-Results: i=1; imf06.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=tmDIHN6I; spf=pass (imf06.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org; dmarc=pass (policy=quarantine) header.from=kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 957106013E; Fri, 27 Feb 2026 20:37:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B64D1C116C6; Fri, 27 Feb 2026 20:37:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772224628; bh=REZBKPMip5Pk+kcsDPtKxHXJtVWbZbE6rgnLUZlun50=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=tmDIHN6I/m6MfU4syrvtkjJ1nBgJ0kqrhbD05xVnWovau41AbUJWhMwOsTIjZ4M3O +8FRjhwMAFOBNRTWGZYaGjhOm64OeZl8OVoUpYLiVb9e1zOoOUUfyMKSp2DUzOu1kg e0qVYLEeU0NgkqCBPxgvn2ioZz24F9dI0dgoaDOJRc9UsKMShmV5dwpfJ05g2pqNSj 9pcDEXiuANeGnHC9y5eHZHoVdaBAvK++5gsD0soVpKvt9k1pRgOHor4vctzn9sOMJb DN0Wb4++kVE7nMYnjAab9j1rJQ7aOiRzcN7q31LcBrJ5L/wEKVDRFRKZo3DmKBXTpx TkAO77LjZuKfg== Message-ID: <4ed265c9-9598-411f-82ca-bb7feb49e1b0@kernel.org> Date: Fri, 27 Feb 2026 21:36:59 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 1/5] mm: introduce zone lock wrappers To: Dmitry Ilvokhin , Andrew Morton , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Axel Rasmussen , Yuanchu Xie , Wei Xu , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , "Rafael J. Wysocki" , Pavel Machek , Len Brown , Brendan Jackman , Johannes Weiner , Zi Yan , Oscar Salvador , Qi Zheng , Shakeel Butt Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux-pm@vger.kernel.org, "linux-cxl@vger.kernel.orgkernel-team"@meta.com References: <849dee9c47df1e6fba97c9933af0d5a08b8e15d3.1772206930.git.d@ilvokhin.com> 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: <849dee9c47df1e6fba97c9933af0d5a08b8e15d3.1772206930.git.d@ilvokhin.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 3ED6D18000D X-Stat-Signature: f1syim3hb6y99jr7ju1xyu15pftf4dsh X-HE-Tag: 1772224629-329856 X-HE-Meta: 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 GSdB8eGe RNmtTnBjpCm5dH6SW+7/sCMZH6B21lhhtJydHw6WY8TGIaFCn5b7DlXD21wqScCON6buB1fg9ZcLHA5xVyXmtbrW4TTX3RzpFUsG6JLCmIt+Xgd5KqP7Vt0BypRDZPgZeV/TTiUz4u0rg3fIewPtBcO7rNE89YGnjm8rbedT2eTsm2R65zhyNZ+RCuLKxRsDHfrm0DpDiszKT356wKaF2mut+8gxR1HG3l7w9+H1Cj0ngyLCPiEd+c+W/GYw8jkn5bFt8FIV91agDr3C1Icykv0924NW9C14XsjC5zMQcRYFa6Uti7Eg4WT9QxCumcKvfhe4nQk2jUPtTspZd39Gv22psYA== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2/27/26 17:00, Dmitry Ilvokhin wrote: > Add thin wrappers around zone lock acquire/release operations. This > prepares the code for future tracepoint instrumentation without > modifying individual call sites. > > Centralizing zone lock operations behind wrappers allows future > instrumentation or debugging hooks to be added without touching > all users. > > No functional change intended. The wrappers are introduced in > preparation for subsequent patches and are not yet used. > > Signed-off-by: Dmitry Ilvokhin > Acked-by: Shakeel Butt > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David