Received: by 2002:a05:7412:798b:b0:fc:a2b0:25d7 with SMTP id fb11csp296644rdb; Thu, 22 Feb 2024 04:15:17 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCUSAuO5L0yO76iNulfWCoYuCAzCrAwGTq23vJWGEmmPK+PmCr+9wljRbTZMaf9Gkz8jEJ9vkPgMN2Kjd069cLtQNMfXHs8CYixROZ/81Q== X-Google-Smtp-Source: AGHT+IGILVz5aMUa1VE1vpU49Nd8CcyphyU00K5fy98Y2cebLEvj315tANB52RNC7lONH0QrScHl X-Received: by 2002:a17:906:aac9:b0:a3f:86e:2042 with SMTP id kt9-20020a170906aac900b00a3f086e2042mr5765346ejb.26.1708604116970; Thu, 22 Feb 2024 04:15:16 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1708604116; cv=pass; d=google.com; s=arc-20160816; b=e/hYxnQTrttgJVR/HD4TWlZvfC4lbaskA76d1x4b8fjepZHxfD001wVPxD8qOU6lkA IbSpLXBc+dTyH/My+Ks25dtMB79tSYyylOy8aMhZYjR54n1FxVMJTOFLDff9/sDNo4jK hnE/NooGYPO7q/fkJaqDdkBk4JTLRNqaiMtwr8s2qOIhR7QUbPZ92HslOoA0PfnOgb05 NsvOFCApP/I4u6jN368eKVpJy/A9+QVjbjGYMEAe/+700HZwAFUJo0XIQO/80oeCaSM5 ODnmhILz0dbiLBg5PLyNairfld5Puwz4LqQOGrzJJIa2NJEy2ibP3pfdi/M2gd4a+d67 dUdw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:in-reply-to:organization:autocrypt:from :references:cc:to:content-language:subject:user-agent:mime-version :list-unsubscribe:list-subscribe:list-id:precedence:date:message-id :dkim-signature; bh=Ms6xEIb2jDGpCHrso8jLzDaD7R/RPnC3mdi3yCtznwA=; fh=V2w1OIYG/aNzlnLr5AbOnHGJmUZS9bv1R/VlOulAFYw=; b=zGSBAkvL4zFEQnNSqkstqkrMUDW2Y9AHypOd1tdglQRZEF8Lam9uinIxelZbQX8a5T PnrWL+dgMpijz7cm0GmSz7UfMf9RFw3oB00OFdFxs2962U+hQJsUjpjggMsEPwLXtTID LYJT11Od21ADZMEQ1aiGfYsVHuGjiQd9zzviyinWhJGRzXHMNH50lMvj+VUFZn4owWmm YK+YfxWJ+cPA9EgRzMJkiNDH37QATCo6U6jiuIenvtWTx7xySi1/jdtTgiT7hnjHRpcS BLEyg7MpJ8vpj9y6Zqjl1i8xnH4qJri8tomXEtaDqK5mRX3nydvjxPoylEXvbvKwka7h XmNA==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=iQJu5d34; arc=pass (i=1 spf=pass spfdomain=redhat.com dkim=pass dkdomain=redhat.com dmarc=pass fromdomain=redhat.com); spf=pass (google.com: domain of linux-kernel+bounces-76490-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-76490-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [147.75.80.249]) by mx.google.com with ESMTPS id x5-20020a1709064a8500b00a3f77bbe967si658797eju.407.2024.02.22.04.15.16 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 22 Feb 2024 04:15:16 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-76490-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249; Authentication-Results: mx.google.com; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=iQJu5d34; arc=pass (i=1 spf=pass spfdomain=redhat.com dkim=pass dkdomain=redhat.com dmarc=pass fromdomain=redhat.com); spf=pass (google.com: domain of linux-kernel+bounces-76490-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-76490-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 8E5461F22C3C for ; Thu, 22 Feb 2024 12:15:16 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 83CC06089A; Thu, 22 Feb 2024 12:15:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="iQJu5d34" Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 94AD15FBA5 for ; Thu, 22 Feb 2024 12:15:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708604106; cv=none; b=l4e8pL1MA4+EVI3IEbphz6wg3xWveZVepHTal2gBZ+GSUPrlrWrJO7zGiIgf07JOvVEeco3S8wOYKwqvm5wr3a9NzGI1oXNAzi29BG86JirBSbUovGCbE52LGsgyoDp3PjhSR7Jn89iaTO+0KOpBaVFyZpLOeutcR9J84IZo42M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708604106; c=relaxed/simple; bh=uCYkH84b3nMXXHSxRX9x800Ixf97kREp8tNVUxZwIBY=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=NDoFwU7KXJq7/1+Vu7/8qCxmzxI/wcln//vmATlAK07nvM/ykBxVkUFcy9t8Q1cH6Pdaj9fbSaKintzQFrQiA4xsMY4s02DSZT1v1lzNx0Ml0WkC2JszrbMQWjwmuSQ+5BLia1ts+crc0Q7272k/bkw+jRb8Rwknbq5LFv7ISyY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=iQJu5d34; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1708604103; h=from:from: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:autocrypt:autocrypt; bh=Ms6xEIb2jDGpCHrso8jLzDaD7R/RPnC3mdi3yCtznwA=; b=iQJu5d349lmB8GNS0EzI9ScDRgvPO/N/GizA03zdBq9BdDRS8ATICHKRWWQKFnaQx7sLW+ 2KKlcWKze/FPisRBixEqNJC0OHf+oJFD1unsZsvj0cHt2NBJKOPW2o3OGLbkiBfOTMxW56 QjpW2pf84omBru3UfB+QbyFl4/q8i0E= Received: from mail-lj1-f198.google.com (mail-lj1-f198.google.com [209.85.208.198]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-575-avd3E7I-OoCQHi4lRW1msg-1; Thu, 22 Feb 2024 07:15:01 -0500 X-MC-Unique: avd3E7I-OoCQHi4lRW1msg-1 Received: by mail-lj1-f198.google.com with SMTP id 38308e7fff4ca-2d24452f743so29182371fa.0 for ; Thu, 22 Feb 2024 04:15:01 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708604100; x=1709208900; h=content-transfer-encoding:in-reply-to:organization:autocrypt:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=Ms6xEIb2jDGpCHrso8jLzDaD7R/RPnC3mdi3yCtznwA=; b=wlAlRnDyO5xGdRl3atH8EXIk1n6pFmHn1s8skOHcYUZHDm6Zewr5AhuVxtNb/JctPc F9+jE9+MyDTRSU6leKmQnz7JQrH4Or/Uxto8Zswky7vKviSND/bIeMVwRULNdYRRuXGK 7VR3V+JFLort4kFVSRlceoL2+9+ezBliN0eoI3Dz8DgBdDr5ehv/32dbnAinlCqi2Nh1 LWYRm9ZTtTHJ+T7tPmSWAWGIePCluYENBzsu+fBh2Wf4eU0GBAApfqvd6H/1mkBrixVS XQn0oqfXiimit0L5c9Wg4+mVMEp8PJQG5aIJVEy25aGiLRVt2n3Cc36kCe+dJ/CjuB4p B/Cg== X-Forwarded-Encrypted: i=1; AJvYcCWtx2TiCLUR9QT7KxasRXwpMpCAmGXVUz9fiaNgsTzIa3Ke8Om8hlR4C/95vra6sK3SJ4oBzrriAmYPi2MAqW/SkBBa+R7O9a2DIcmr X-Gm-Message-State: AOJu0YzbMCSdMvr/iJoAq7QYStCLe2qaAEZwbK46ZTvuBRma1Q9i/zLV eWyj4vUca9zN9oCBd8BlCJDE+l8Q9IElqSSsWXUf6uyQJFPP1Al5ltqz6XSUgIdqnY2pHYi0JWy 8nwiqVHwLxIcK5xs/0RnmmTlC36PZZvYaRHlks+c6JkTwMfKWNS1sYe/svgudRA== X-Received: by 2002:a2e:8290:0:b0:2d2:1fed:8029 with SMTP id y16-20020a2e8290000000b002d21fed8029mr10988819ljg.28.1708604100094; Thu, 22 Feb 2024 04:15:00 -0800 (PST) X-Received: by 2002:a2e:8290:0:b0:2d2:1fed:8029 with SMTP id y16-20020a2e8290000000b002d21fed8029mr10988802ljg.28.1708604099694; Thu, 22 Feb 2024 04:14:59 -0800 (PST) Received: from ?IPV6:2003:cb:c70f:8b00:ed48:6d18:2152:1cda? (p200300cbc70f8b00ed486d1821521cda.dip0.t-ipconnect.de. [2003:cb:c70f:8b00:ed48:6d18:2152:1cda]) by smtp.gmail.com with ESMTPSA id z23-20020a05600c221700b004128815c374sm1663051wml.5.2024.02.22.04.14.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 22 Feb 2024 04:14:59 -0800 (PST) Message-ID: Date: Thu, 22 Feb 2024 13:14:58 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] mm, thp: display [never] for defrag when THP is set to never Content-Language: en-US To: Yuanhe Shu , akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, liusong@linux.alibaba.com References: <20240222115323.4925-1-xiangzao@linux.alibaba.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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 B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: <20240222115323.4925-1-xiangzao@linux.alibaba.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 22.02.24 12:53, Yuanhe Shu wrote: > When transparent_hugepage is set to never by cmdline or echo, defrag > still show what it used to be and can be modified which makes user > confusing whether defrag would take effect. > > Actually if transparent_hugepage is set to never, defrag will not take > effect. Just Display never and remain unchangeable to for defrag when > transparent_hugepage is set to never. > > Suggested-by: Liu Song > Signed-off-by: Yuanhe Shu > --- No, I don't think we want such a dependency between both options. You might just end up breaking existing scripts (enable defrag before enabling THP) for no good reason. -- Cheers, David / dhildenb