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 ED380C982FA for ; Wed, 23 Sep 2026 12:26:26 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0F54D6B009B; Wed, 23 Sep 2026 08:26:26 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 057116B009D; Wed, 23 Sep 2026 08:26:26 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E3A4E6B009E; Wed, 23 Sep 2026 08:26:25 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id BBE4B6B009B for ; Wed, 23 Sep 2026 08:26:25 -0400 (EDT) Received: from smtpin11.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 497CA4077C for ; Wed, 23 Sep 2026 12:26:25 +0000 (UTC) X-FDA: 85244949930.11.2CBB6D1 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf02.hostedemail.com (Postfix) with ESMTP id 7B0BE8000A for ; Wed, 23 Sep 2026 12:26:23 +0000 (UTC) Authentication-Results: imf02.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=NKiBxuMD; spf=pass (imf02.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=1790166383; 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=AbDU6yMDumi5audQ2f3QR8iaBeD7dJkhv3W8jo0Hg4s=; b=76RIddLr8SWLupIya4cHKmvHDrbVHxZm6hzU5IEFcZsbTrj0kRBtSdUjeIfR2yO6ismk5X SmYJl0SNx6/twxMecCI3QimglIbVCnx5mhHH7EHaFD6iJx46weIkxsi6yjI5whrR1c1R9y F2Y+51sNTLgvzSMcQqpgqBfZg60U8DA= ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1790166383; b=JLstPp/6ze+MxVwwFaUvoPw/UVT7a6olHiW22pWEXfiwzrqE70Qx2H8TrR6J7HcmAW3HI4 b1MnoEIOlnNn1iNAVGe6Qjh37P50bEIndiqRRdkN2zIsApBELhUhsqEOPSMTCv8UNNspPO hXi3Kubj/qJEwv49CyG2HDKDy+S5/AU= ARC-Authentication-Results: i=1; imf02.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20260515 header.b=NKiBxuMD; spf=pass (imf02.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 (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id E5444601FB; Wed, 23 Sep 2026 12:26:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7555B1F000FF; Wed, 23 Sep 2026 12:26:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790166382; bh=AbDU6yMDumi5audQ2f3QR8iaBeD7dJkhv3W8jo0Hg4s=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=NKiBxuMDMpHw9yT8qdZ2SGbSwto2PGI8KbhkODxWVitvTLH+9noJw+g6qr637JoPg jQhLkB4EOaDgTihmBG5QjxyGSdP+X0hmmL/dfdv5zms0gIjaYqUbkgDQ3W8CglKoGU /9tViZiM2EW41H6G4Bs8tNfy55RSTAlIF5IcTfX7IuowdsupcHkNNjtp/KZPutYR2G 3d9a3q/48n+xHKZfCsIRD741DdXOcF4My+2w4/ooISl+72gAI53Sl9X/I4+gjLC7WP k5FDXrwvBcfpFqhNr6kr3681/VLnrLQ3lpuZrRtXkrmxOoEnDsOhrETwg16WN2hyvE vgebn3sjW8Agg== Message-ID: Date: Wed, 23 Sep 2026 14:26:14 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 07/12] mm/collapse: name the per-table scan reset for what it resets To: Kiryl Shutsemau , Andrew Morton , Lorenzo Stoakes , Zi Yan , Baolin Wang Cc: "Kiryl Shutsemau (Meta)" , linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-team@meta.com, "Liam R. Howlett" , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Usama Arif , Vlastimil Babka , Jann Horn References: <20260916093145.4022188-1-kirill@shutemov.name> <20260916093145.4022188-8-kirill@shutemov.name> 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: <20260916093145.4022188-8-kirill@shutemov.name> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Stat-Signature: fbwuw1hnk7tqxfxip5f4xyariattr1bk X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 7B0BE8000A X-HE-Tag: 1790166383-336432 X-HE-Meta: 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 xl3gpWbp +8fx5FeqcTM/e1WAH0eBHMF24cjfjtCiBGRR6aOkJBE6MQ5nyTdCJ63NN6APTo+47Go0KB1QfhM1pDya9UDKj6ACN/BmRlPmxs1bai8c4JNAFmirNcfII0xJ9yyZZIRknRs8gHORsBwSFbn1wvkxr9SzyBj+GHUuLPr8XmWmtw8CYSHLUwTG/IOnu6xr/SsMz41yDVi6UeXsD5hWAGKCEDIlP+ixY3MH1wJg0LYSpButMjlHYNWVbMb95LEwdc5sCXH5wJHl2nXUQwOSG6ppQx7jrH7L8Ab1qotxkY6ufm5thj+6pB/2HcvA8WPR35X0foCvtATiIOf1D74k= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 9/16/26 11:31, Kiryl Shutsemau wrote: > From: "Kiryl Shutsemau (Meta)" > > collapse_control_init_scan() resets what one scan accumulates: the node > load, the allocation nodemask and the eligible-PTE bitmap. It runs before > every PTE table a scan is given, not once per control, so its name points > at the wrong thing. > > Call it collapse_scan_reset(). > > Preparation for giving a control a real init and release, run once each > for a whole series of scans. Two names a word apart would then stand for > two different jobs. > > No functional change. > > Assisted-by: LLM > Reviewed-by: Zi Yan > Reviewed-by: Baolin Wang > Signed-off-by: Kiryl Shutsemau (Meta) > --- Acked-by: David Hildenbrand (Arm) -- Cheers, David