From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 2605079CF for ; Wed, 21 May 2025 12:24:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747830293; cv=none; b=F7c55Xh+iKqKGmu1AidfZE1g2hpe1ZtckUd6fwgAsI/IyX+EiwRPyXV/HPj1t5jmuUjydK0V714ati6+NiZ/Y9t/2xWiguxD2Q7/dAflAmeo77dgBwZPQfPpUQiUW0RSEWctBQiRxSm2x29v41fsGPj64Schp8/OZRnJmQncFNs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747830293; c=relaxed/simple; bh=wjLY7AIai8qSlFWdRLQdWDD0L4OkD/Igtz6mbreEDLM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Ifj+dXIzkDHJyHkazXvhijF2hqKUkNeD3q+Ne/QO++CHaYeQcwnUE3ZINGlBQ3ifTzIdTeZ2qeRXPeKfvIsAoB5hZ7H6mtBfZdSY2nGFl4QVOWvKY/GKHTAoJd+WbzBnj3pw+DdTcDZyzwjurv+CNwr13mIg/R505clozh/qOsU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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=DfOpjPXZ; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="DfOpjPXZ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1747830291; 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=o3U/NCNCT27I8c/APqD5BdP8Dg6ivclL0fCgxsI3jm8=; b=DfOpjPXZm9hcEMoYQZy8lOXF+J+0wiMpqukgzKrTgI14zJ0722Sjj/7P7EM9RXgPh/BXOP wK/DqXs9RLECV/tJb9g5Jif2t2OzYK3FGU0p0eYq4f7j0xXOWsSLSoyZABdnAO3y+hAG4N xq/TiG6xTBOVmgziBT3X+PuAEcEMVYk= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-590-7k7zAuK9OPmIX7YJT22MFA-1; Wed, 21 May 2025 08:24:49 -0400 X-MC-Unique: 7k7zAuK9OPmIX7YJT22MFA-1 X-Mimecast-MFC-AGG-ID: 7k7zAuK9OPmIX7YJT22MFA_1747830289 Received: by mail-wm1-f72.google.com with SMTP id 5b1f17b1804b1-445135eb689so24422855e9.2 for ; Wed, 21 May 2025 05:24:49 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1747830288; x=1748435088; h=content-transfer-encoding:in-reply-to:organization:autocrypt :content-language:from:references:cc:to:subject:user-agent :mime-version:date:message-id:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to; bh=o3U/NCNCT27I8c/APqD5BdP8Dg6ivclL0fCgxsI3jm8=; b=jKWtJx6Zuzer9rNs8nEkHi/lJBo5DFQuiryGGrt3khLE/8WeOYXiU5gY3onCD0bT5d kKl0qfkgEmsEV4qQN1sgC+wPzdTvzTweg9xtEvhpr/ntzV5OzmPqzXkkka4p9MAKJNL9 tJqjwSNEjMZlnLHlVApqLsU1iZlNVHWG5IzflCy5BD41JQaynoii9QbKnllzwkfxze92 KVIHe8ppyf7ysGrbYUviOZgH22dMRe+s07Y0dsx0k4MKxIdxi//mUkKdNTd1sGljwdSr y9ENEy3nypycLfBdVDFQafrmpH0f7PFFzJU4wCxWMByGh8UIVhGH6n2EVobR2KGCKgoE 9dNA== X-Forwarded-Encrypted: i=1; AJvYcCUa3bS1/7v/IvgCbFEmyI3SaD7UYYPLNa+YvtYvZSjhPbi0+/ASsXVZiK7Hz6UfZiD5smNn6WUiyVw=@vger.kernel.org X-Gm-Message-State: AOJu0Yy/wm1CtduiwUvEz0Iy97P7laTfl00yfGnFdTXmNWQn8rPA2jiK sWa6duQee52EX1dC7hXmC9UZ4Nd67Q+pyNNy3oMK8f66qIH0ICJPCyZu3bRDMFsKTF1EO0zUGJI 2v4TfSVZfjNbtUqgL63ys1waWsuh2o9OUjyPbiPyBC7EeFdWjDQNYEFBCmY+64A== X-Gm-Gg: ASbGnctPnEm2mW/AdUP2UVoyLb2Tp1dq25Z083ONimzQvUYSbvWIfpU2e3khZj1e/Ei 2M41YimaLEAa1PgJV5s5LDLEfQt0J9i9R9iqV1Xh//vk2QMLiA1rtl5igGZkWOYJlPYbDVn6NFt Sd/fPNVyJDwwIZ97ymA+BxbDtsWKu0rc6odVGQmnftuwr14JPrOdCUuapxdjq6zVZmKBVZ0gHiX G/ig4RqJk1vsJO6pnlJAAC0fCkjWoF6poSEMv9GFn+y0FpTIX5SGqCWCSzoxYwHT78wUeaE/pRZ jH0c0Jn1Ih5K9KEUgtrUmSBEnyDDfnaNq7VK86D2BIIs0eJxtMiu2FZHbtWSTBuewQF9AsDXyaa o73rFx37sq5ko+1IwXvDjG7Xgx/WUOWzM/liExE8= X-Received: by 2002:a05:6000:184c:b0:3a3:6aa4:bf28 with SMTP id ffacd0b85a97d-3a36aa4bfe0mr12682523f8f.10.1747830288356; Wed, 21 May 2025 05:24:48 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHlp35uB+nW8DT5l428dL7oAEzwqU6VVd2srOdXBOOPxCe7UlC6ZTPSsou+1mi29prF4u88tg== X-Received: by 2002:a05:6000:184c:b0:3a3:6aa4:bf28 with SMTP id ffacd0b85a97d-3a36aa4bfe0mr12682472f8f.10.1747830287846; Wed, 21 May 2025 05:24:47 -0700 (PDT) Received: from ?IPV6:2003:d8:2f25:9c00:e2c7:6eb5:8a51:1c60? (p200300d82f259c00e2c76eb58a511c60.dip0.t-ipconnect.de. [2003:d8:2f25:9c00:e2c7:6eb5:8a51:1c60]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-447f1825457sm70806135e9.1.2025.05.21.05.24.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 21 May 2025 05:24:47 -0700 (PDT) Message-ID: Date: Wed, 21 May 2025 14:24:45 +0200 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 0/4] mm: introduce THP deferred setting To: Lorenzo Stoakes Cc: Nico Pache , linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, rientjes@google.com, hannes@cmpxchg.org, rdunlap@infradead.org, mhocko@suse.com, Liam.Howlett@oracle.com, zokeefe@google.com, surenb@google.com, jglisse@google.com, cl@gentwo.org, jack@suse.cz, dave.hansen@linux.intel.com, will@kernel.org, tiwai@suse.de, catalin.marinas@arm.com, anshuman.khandual@arm.com, dev.jain@arm.com, raquini@redhat.com, aarcange@redhat.com, kirill.shutemov@linux.intel.com, yang@os.amperecomputing.com, thomas.hellstrom@linux.intel.com, vishal.moola@gmail.com, sunnanyong@huawei.com, usamaarif642@gmail.com, wangkefeng.wang@huawei.com, ziy@nvidia.com, shuah@kernel.org, peterx@redhat.com, willy@infradead.org, ryan.roberts@arm.com, baolin.wang@linux.alibaba.com, baohua@kernel.org, mathieu.desnoyers@efficios.com, mhiramat@kernel.org, rostedt@goodmis.org, corbet@lwn.net, akpm@linux-foundation.org References: <20250515033857.132535-1-npache@redhat.com> <43d6aa16-3e52-45df-9366-e072c0cb3065@redhat.com> From: David Hildenbrand Content-Language: en-US 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: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit >> >> Anyhow, to me the dependency is obvious, but I've followed the MM meeting >> discussions, development etc. > > Right but is it clear to Andrew? I mean the cover letter was super unclear > to me. I mean, assuming that it would not be clear to Andrew (and I think it is clear to Andrew), I we would get CCed on these emails and could immediately scream STOOOOOP :) And until this would hit mm-stable, a bit more time would pass. > > What's to prevent things getting merged out of order? Fortunately, there are still people working here and not machines (at least, that's what I hope). > And do people 'just > have to remember' to resend? Yes, in this case Nico wants to get his stuff upstream and must drive it once the dependencies are met IMHO. > > If there's a requirement related to the ordering of these series it really > has to be expressed very clearly. Jup. I'll note that for now there was no strict rule what to tag as RFC and what not that I know of. Of course, if people send broken, half-implemented, untested ... crap, it should *clearly* be RFC. People should be spelling out dependencies in any case (especially for non-RFC versions) clearly. I'll note that even if there would be a rule, I'm afraid we don't have a good place to document it (and not sure if people would find it or even try finding it ...) :/ A big problem is when some subsystems have their own rules for how to handle such things. That causes major pain for contributors ... -- Cheers, David / dhildenb