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 BE8AECAC597 for ; Mon, 15 Sep 2025 11:29:34 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 272678E0016; Mon, 15 Sep 2025 07:29:34 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 2224C8E0001; Mon, 15 Sep 2025 07:29:34 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0C2D68E0016; Mon, 15 Sep 2025 07:29:34 -0400 (EDT) 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 EAB0E8E0001 for ; Mon, 15 Sep 2025 07:29:33 -0400 (EDT) Received: from smtpin24.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 90EF51605AD for ; Mon, 15 Sep 2025 11:29:33 +0000 (UTC) X-FDA: 83891264226.24.D3B220D Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by imf01.hostedemail.com (Postfix) with ESMTP id 1B8EF40003 for ; Mon, 15 Sep 2025 11:29:30 +0000 (UTC) Authentication-Results: imf01.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b="LK64fq/z"; spf=pass (imf01.hostedemail.com: domain of david@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (policy=quarantine) header.from=redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1757935771; 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=T3c8/ma9rmwVpnwsDyCojdkiFtcRxll8GhUqHuOo1hY=; b=NtLVS3+T/sxNHcGKBqiMAx38CRePOXgEyaNyJGiS9wxhrjQrGcHGGwaZv+xFMdQ8XMxNZk Us8EcXoXWIqXq96hZMt7Hdm97U9TIB/aJ3ZzpD2NvlE95m54m4y7ixNoGTsRZIRO6zugLY 2UJNKBnSLlBWy7D1h+td7sRDBr8Fz78= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1757935771; a=rsa-sha256; cv=none; b=OGpzR0cS/W+nmWRxr8/8jqBlYPBJpqtOd9wzFKvGPi6Zxab1M2hSXq5983PMqQtOaioR9/ lsXkOGWR7MC9Vp94PxVphK5FHII//uq6xm2D9ssvJ76zZ47oYvVhWYVt43cu+jo6Vz5SNa 6R1LWu9SqHjcTM31BCEH/7pHlhETJ7g= ARC-Authentication-Results: i=1; imf01.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b="LK64fq/z"; spf=pass (imf01.hostedemail.com: domain of david@redhat.com designates 170.10.133.124 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (policy=quarantine) header.from=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1757935770; 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=T3c8/ma9rmwVpnwsDyCojdkiFtcRxll8GhUqHuOo1hY=; b=LK64fq/z+rOWskCzgobYtM2Z2HHGtmdn9JoPNYgieZRG4adUbYzwYBKHsrVAijYTIQKK7J V0Lhew3fHaw40wjNBpU7ngY0A6Djjnw6oPTvTagIf75nSywSqBI7tAHbwudf7C5vIWhV7J UGy3QmXgYKAnArUlPl8nyPeiDG6nGpE= Received: from mail-wm1-f71.google.com (mail-wm1-f71.google.com [209.85.128.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-646-Oa5G83zWNA-WYNU6eXdTSQ-1; Mon, 15 Sep 2025 07:29:28 -0400 X-MC-Unique: Oa5G83zWNA-WYNU6eXdTSQ-1 X-Mimecast-MFC-AGG-ID: Oa5G83zWNA-WYNU6eXdTSQ_1757935767 Received: by mail-wm1-f71.google.com with SMTP id 5b1f17b1804b1-45f2f1a650dso4189285e9.2 for ; Mon, 15 Sep 2025 04:29:28 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757935767; x=1758540567; h=content-transfer-encoding:in-reply-to: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=T3c8/ma9rmwVpnwsDyCojdkiFtcRxll8GhUqHuOo1hY=; b=mY/Cpz4AiZvTI/obsYSV3npk0GFYv3/iyTwl/KbUiPGpxlm/V3Ytoyf/f6htwFj2sK GHibERX5yozQ/Oy+kIR0qKQqfdqXi9bomxmF98EhZvGevaQLM7r4knijNJkMin79BXPf 3/xzr4YMmwGifnPoI0D/PLZqp843WXDEG+x4wEAZtWUCAJqlTBVbaOimxcxov0dpA8kU 4WuKMQNLbx95nryFFd3zqoZgR4oc3YZ2bl6P948vYeFD6UuliMbNk08LMHItcCPdxbYX YWuXoAHRtYEVf6KF+1R6W4SbxYvZwZQaAwNn6P9yC1kFeMvKiCDMjqlirlK8TrB4Zs+P vmOQ== X-Forwarded-Encrypted: i=1; AJvYcCXuqMioeil2ZZ8E7B6D4i1rPWP/RzB/waLelCP6FXzb6owOrX+/G5pyeIwe1YDHlF+g90JOUVke1Q==@kvack.org X-Gm-Message-State: AOJu0Yxz52ULlbLgAJ1edrXZEiYe6cNW0z3tcseoauUt+yhFI1i6eMbY gED98awZ3y55UcNffz5uVgxm3B3Hpe+xlU4wxDbropfcIVVLq1rVN7cb8jZogOxQN7wwqHTZAdM 01FOJCynWmIdgOMfgUorbZRMm8z5EQ3ceeROZTYY7km9+FQN3eg8T X-Gm-Gg: ASbGncu0UonNSzJtjRT+5beCL0eVa8dwVqP2SaME1OAtH7gUfbU1zZE9TtlPEM2Y75k 6znohENLc7iXUat9RzlLALimM8GpOJHoiNJhjdsRKbM8BkaC1fRoB7mLJujITmPMq7RyVLzhN6V Ut5jE+AtbT0xsk68b9lEcpHIG++PFY1AtUJkyNXFSCleyjJRxwMOqjBUqqX0A/uETnXSU+mA6s4 h282dXTHaQe1jQVt1EzC3R/MrCsFq5aqYVVPBPmc0V+AfuliYxgbL5MhrWLT0O9ZpLsQtvYZSOg c58lP8phcBXJNcshoEE8+69wRvgF5ekxdhrg5e3JzuBgSjg2xN7GiIECiKtJt+P7QUVnjv8A2UA DEVXXfBiCFHiEMsm5CWmq86wMiVjSdamiW4C2XiSa7Ej26jfioXIwDZqOSILrNzxN/po= X-Received: by 2002:a05:600c:12c8:b0:459:d645:bff7 with SMTP id 5b1f17b1804b1-45f211d075emr77848195e9.12.1757935766929; Mon, 15 Sep 2025 04:29:26 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHXwSZAmD9XxC8mSwauh0HqDNFoXO/t7RfP7K5UEy8I9vZ6KWWwB8fAmEU7M97ekmJeVjPdJg== X-Received: by 2002:a05:600c:12c8:b0:459:d645:bff7 with SMTP id 5b1f17b1804b1-45f211d075emr77847905e9.12.1757935766402; Mon, 15 Sep 2025 04:29:26 -0700 (PDT) Received: from ?IPV6:2003:d8:2f18:f900:e0ae:65d5:8bf8:8cfd? (p200300d82f18f900e0ae65d58bf88cfd.dip0.t-ipconnect.de. [2003:d8:2f18:f900:e0ae:65d5:8bf8:8cfd]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45e017b3137sm180607445e9.19.2025.09.15.04.29.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 15 Sep 2025 04:29:25 -0700 (PDT) Message-ID: Date: Mon, 15 Sep 2025 13:29:22 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v11 00/15] khugepaged: mTHP support To: Lorenzo Stoakes Cc: Kiryl Shutsemau , Nico Pache , linux-mm@kvack.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, ziy@nvidia.com, baolin.wang@linux.alibaba.com, Liam.Howlett@oracle.com, ryan.roberts@arm.com, dev.jain@arm.com, corbet@lwn.net, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, akpm@linux-foundation.org, baohua@kernel.org, willy@infradead.org, peterx@redhat.com, wangkefeng.wang@huawei.com, usamaarif642@gmail.com, sunnanyong@huawei.com, vishal.moola@gmail.com, thomas.hellstrom@linux.intel.com, yang@os.amperecomputing.com, aarcange@redhat.com, raquini@redhat.com, anshuman.khandual@arm.com, catalin.marinas@arm.com, tiwai@suse.de, will@kernel.org, dave.hansen@linux.intel.com, jack@suse.cz, cl@gentwo.org, jglisse@google.com, surenb@google.com, zokeefe@google.com, hannes@cmpxchg.org, rientjes@google.com, mhocko@suse.com, rdunlap@infradead.org, hughd@google.com, richard.weiyang@gmail.com, lance.yang@linux.dev, vbabka@suse.cz, rppt@kernel.org, jannh@google.com, pfalcato@suse.de References: <20250912032810.197475-1-npache@redhat.com> <155c821d-402c-4627-a723-6f8c88a2f65c@lucifer.local> <2757fb07-78bf-4a39-8c60-8ca8be200994@lucifer.local> 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 ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZoEEwEIAEQCGwMCF4ACGQEFCwkIBwICIgIG FQoJCAsCBBYCAwECHgcWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaJzangUJJlgIpAAKCRBN 3hD3AP+DWhAxD/9wcL0A+2rtaAmutaKTfxhTP0b4AAp1r/eLxjrbfbCCmh4pqzBhmSX/4z11 opn2KqcOsueRF1t2ENLOWzQu3Roiny2HOU7DajqB4dm1BVMaXQya5ae2ghzlJN9SIoopTWlR 0Af3hPj5E2PYvQhlcqeoehKlBo9rROJv/rjmr2x0yOM8qeTroH/ZzNlCtJ56AsE6Tvl+r7cW 3x7/Jq5WvWeudKrhFh7/yQ7eRvHCjd9bBrZTlgAfiHmX9AnCCPRPpNGNedV9Yty2Jnxhfmbv Pw37LA/jef8zlCDyUh2KCU1xVEOWqg15o1RtTyGV1nXV2O/mfuQJud5vIgzBvHhypc3p6VZJ lEf8YmT+Ol5P7SfCs5/uGdWUYQEMqOlg6w9R4Pe8d+mk8KGvfE9/zTwGg0nRgKqlQXrWRERv cuEwQbridlPAoQHrFWtwpgYMXx2TaZ3sihcIPo9uU5eBs0rf4mOERY75SK+Ekayv2ucTfjxr Kf014py2aoRJHuvy85ee/zIyLmve5hngZTTe3Wg3TInT9UTFzTPhItam6dZ1xqdTGHZYGU0O otRHcwLGt470grdiob6PfVTXoHlBvkWRadMhSuG4RORCDpq89vu5QralFNIf3EysNohoFy2A LYg2/D53xbU/aa4DDzBb5b1Rkg/udO1gZocVQWrDh6I2K3+cCs7BTQRVy5+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: <2757fb07-78bf-4a39-8c60-8ca8be200994@lucifer.local> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: 6dmDX3SuJa1-vfLD1Lt-sm1dT4YtDROt50qdcs72njc_1757935767 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: iyupr87bpnjksz55k6mmwt4mf1js1f9a X-Rspam-User: X-Rspamd-Queue-Id: 1B8EF40003 X-Rspamd-Server: rspam10 X-HE-Tag: 1757935770-307374 X-HE-Meta: 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 m/r3SCwz 5tPwDZdyCqJ6dTWXEItjIWhUgLpqeNyhM3VHYmkDUqdhPqB+3Gz7H0FhwI0brrAPNAMJffUektMLLQbQE9IS+dgiIo24LMVRtkBn3qN6ftoygOqpWSN8lpG7ZoaP3iiymjK5R6WX05nWgdRzavNfktkZDsfJxud/4WykCp+d7L113l7yZGCqVL0D+ACNhVb5Io4gO1QrCB1sUKnz3ykNcLn8C6IJ8gDdCG3KC1j34TcwF5CqcsG2BwECoEi3y/Yc2+xKMSHd1azEEbHpjvAj0hgeHNwbCLSfmWII73XoELT2CbOIcWYrb8A/pQDEmq27d7Ccqi1J1ZDJbPbvxE/Xba8V/6uHsNYbXJvHpZDC3hkqPwbtH08m0RXr0bU1bH9pdpwetb36qrPvgu4AaS605A5oG6nsqjZ6uVDlBHFhZaxWWrPBc0/pvASHVWcVwqCpv9MmPYb0wikfxiyEi+z/wfreY+A== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 15.09.25 13:23, Lorenzo Stoakes wrote: > On Mon, Sep 15, 2025 at 01:14:32PM +0200, David Hildenbrand wrote: >> On 15.09.25 13:02, Lorenzo Stoakes wrote: >>> On Mon, Sep 15, 2025 at 12:52:03PM +0200, David Hildenbrand wrote: >>>> On 15.09.25 12:43, Lorenzo Stoakes wrote: >>>>> On Mon, Sep 15, 2025 at 12:22:07PM +0200, David Hildenbrand wrote: >>>>>> >>>>>> 0 -> ~100% used (~0% none) >>>>>> 1 -> ~50% used (~50% none) >>>>>> 2 -> ~25% used (~75% none) >>>>>> 3 -> ~12.5% used (~87.5% none) >>>>>> 4 -> ~11.25% used (~88,75% none) >>>>>> ... >>>>>> 10 -> ~0% used (~100% none) >>>>> >>>>> Oh and shouldn't this be inverted? >>>>> >>>>> 0 eagerness = we eat up all none PTE entries? Isn't that pretty eager? :P >>>>> 10 eagerness = we aren't eager to eat up none PTE entries at all? >>>>> >>>>> Or am I being dumb here? >>>> >>>> Good question. >>>> >>>> For swappiness it's: 0 -> no swap (conservative) >>>> >>>> So intuitively I assumed: 0 -> no pte_none (conservative) >>>> >>>> You're the native speaker, so you tell me :) >>> >>> To me this is about 'eagerness to consume empty PTE entries' so 10 is more >>> eager, 0 is not eager at all, i.e. inversion of what you suggest :) >> >> Just so we are on the same page: it is about "eagerness to collapse", right? >> >> Wouldn't a 0 mean "I am not eager, I will not waste any memory, I am very >> careful and bail out on any pte_none" vs. 10 meaning "I am very eager, I >> will collapse no matter what I find in the page table, waste as much memory >> as I want"? > > Yeah, this is my understanding of your scale, or is my understanding also > inverted? :) > > Right now it's: > > eagerness max_ptes_none > > 0 -> 511 > ... > 10 -> 0 > > Right? Just so we are on the same page, this is what I had: 0 -> ~100% used (~0% none) So "0" -> 0 pte_none or 512 used. (note the used vs. none) -- Cheers David / dhildenb