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 36F40FF8867 for ; Wed, 29 Apr 2026 08:55:33 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5F7076B0088; Wed, 29 Apr 2026 04:55:32 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 581386B008A; Wed, 29 Apr 2026 04:55:32 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 449CA6B008C; Wed, 29 Apr 2026 04:55:32 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 2FB346B0088 for ; Wed, 29 Apr 2026 04:55:32 -0400 (EDT) Received: from smtpin06.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay02.hostedemail.com (Postfix) with ESMTP id B8C87120758 for ; Wed, 29 Apr 2026 08:55:31 +0000 (UTC) X-FDA: 84710984862.06.C5700D3 Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by imf25.hostedemail.com (Postfix) with ESMTP id EDA1CA000E for ; Wed, 29 Apr 2026 08:55:29 +0000 (UTC) Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="HBQ+lea/"; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf25.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1777452930; 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=/sSoYCJ2qsyMbietd6v7wzJ6lohiA0fUmkJWlRdqqRk=; b=cqubirfq650zSyjlQ41VzD5xtwVYKALxPYI1gOJRjWtI90c60MHp9HQ8SwErEnLhEypEBJ 2OcEiP8S8gZsevHQM5tlcHPHYnX1mrFB3zc0pgpoqJcuoy5y7deW+Cp2sYFXAYgn04sjLc G7RBPxqcSIiBokjwMVwh1uiegyG4/3g= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1777452930; a=rsa-sha256; cv=none; b=yibIwKyNuHybMaq2kfqYkP7vdMoZ6KzU66LQsJoVxqGCcGX8TpFw06CmQZg+La+xpI6gWB VZznlHytylm7mIGYC13ZnVVR19IUOnxMiQtX8kHhWDPSQYr6LBTktHYfiKeeU3RHeZZrBZ Em+ZR3gS0M6X8KwsYVpcS9IPqYguiXo= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b="HBQ+lea/"; dmarc=pass (policy=quarantine) header.from=kernel.org; spf=pass (imf25.hostedemail.com: domain of david@kernel.org designates 172.105.4.254 as permitted sender) smtp.mailfrom=david@kernel.org Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 45B5860018; Wed, 29 Apr 2026 08:55:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1CA99C19425; Wed, 29 Apr 2026 08:55:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777452929; bh=BYAsnMF2Q55jJ642xlk+wrPGoiz62bmXpwIrT3ZZNS4=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=HBQ+lea/rcWyMyjYxlVolA7RNQ0wNGKl2KxlA4SrA63WSTuSaGYpS/3/MQ4E8HsNO BPqCSZyVWNKJJxWhEXuDCUFOICc2F/ZlKoNMsqJW20VhdSKANlhDuhNelRnbKDmiHf sTx3mMCM+m4hI+oOmn9NaPZ6OFNWTLxor3apdkGCCGf+XjXBVJIACuYYtrn79TCSSt CilBb13JbIDnbq9MxVu/HNU5GjJQk3T8rzp96xWZs2j33PZHjtZZoiN64bOLbo1uEx EiaDapt7QYd3ckEbyRrWh/vqK+jWl62wY+gDKzVw8Ubt9AK+m+/GNXvK5dqCqlkwKi 9C11E3XJ2esnw== Message-ID: Date: Wed, 29 Apr 2026 10:55:25 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 2/3] mm: process_mrelease: skip LRU movement for exclusive file folios To: Minchan Kim , Michal Hocko Cc: Suren Baghdasaryan , akpm@linux-foundation.org, hca@linux.ibm.com, linux-s390@vger.kernel.org, brauner@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, timmurray@google.com References: <20260421230239.172582-1-minchan@kernel.org> <20260421230239.172582-3-minchan@kernel.org> <7c7da8ae-cd39-4edf-b94f-c79ab85df456@kernel.org> 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: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: EDA1CA000E X-Stat-Signature: t88rn8cifi4cao8pfcs3yhtgwwxqmgp6 X-Rspam-User: X-HE-Tag: 1777452929-696298 X-HE-Meta: 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 eOXEHR1f gEbWWK1h28sq+LjQuDF+KVqgYYSLc8HcdwY62fTvnDk1Q/t0VIQZtc4J6fkJdE5p5X6DCownY28d0WbSFGRW7GGUZO0sB8VQiH40CaPyRlXV0SuLRaesip94q1qkurZQ2Y5X53dDNIKMfSsgSjCtEum76aOlVv8+gaAVc4kTQZH4ucpGgPfjeAlRrhtfbmw4BEFWuUec50kWApUPnaTa3Ofubtm+1eZCKyicNw7fBR60j5Bi9bxq5qutdXHoekMTLu5aIQr+A1ur65L/XOGr24x2C0zC7DUfVXROalGQWkpXP5yroyE/4PM1GgKvMUKbH9b0sI7qQzQNgxrDE73FTsPh+dQ== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > > -static bool __oom_reap_task_mm(struct mm_struct *mm) > +static bool __oom_reap_task_mm(struct mm_struct *mm, bool try_evict_file_folios) > { > struct vm_area_struct *vma; > bool ret = true; > @@ -556,12 +556,14 @@ static bool __oom_reap_task_mm(struct mm_struct *mm) > mm, vma->vm_start, > vma->vm_end); > tlb_gather_mmu(&tlb, mm); > + tlb.try_evict_file_folios = try_evict_file_folios; > + struct zap_details details = { .ignore_access = try_evict_file_folios }; > if (mmu_notifier_invalidate_range_start_nonblock(&range)) { > tlb_finish_mmu(&tlb); > ret = false; > continue; > } > - unmap_page_range(&tlb, vma, range.start, range.end, NULL); > + unmap_page_range(&tlb, vma, range.start, range.end, &details); > mmu_notifier_invalidate_range_end(&range); This API was changed in the meantime into zap_vma_for_reaping(), and I do not want to pass details on the new interface. If so, zap_vma_for_reaping() would handle that internally I guess. -- Cheers, David