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]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B39FC28B28 for ; Wed, 12 Mar 2025 22:19:18 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 43883280004; Wed, 12 Mar 2025 18:19:16 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3E64E280001; Wed, 12 Mar 2025 18:19:16 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 261D7280004; Wed, 12 Mar 2025 18:19:16 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0010.hostedemail.com [216.40.44.10]) by kanga.kvack.org (Postfix) with ESMTP id 091E1280001 for ; Wed, 12 Mar 2025 18:19:16 -0400 (EDT) Received: from smtpin25.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay05.hostedemail.com (Postfix) with ESMTP id 9DE975712A for ; Wed, 12 Mar 2025 22:19:17 +0000 (UTC) X-FDA: 83214315954.25.6BB3FE1 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by imf13.hostedemail.com (Postfix) with ESMTP id 1EFF720008 for ; Wed, 12 Mar 2025 22:19:14 +0000 (UTC) Authentication-Results: imf13.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=V+jD3LlE; spf=pass (imf13.hostedemail.com: domain of david@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (policy=none) header.from=redhat.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1741817955; 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=YKs6c5vd6BryHi5UgmvOyl94KmjrndKcyGQFDHLGkR0=; b=z2oOludhOCbbaFpcRbBPAFxDfWCXyrZk8UgB7ULs5O0AYbsQ4XM3Owy5dXHHC1swfBykMC 55B+mnu/Dh8wxvfXx9Naqxn1YScX/58rW6fvpo725hsu4mNDhnjspYouojOZdOrC9OFkjr UH5CWfag6FUQKg3+FMsZo7AT+1NBJpE= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1741817955; a=rsa-sha256; cv=none; b=xryuhMwMEFGv+qzUxrYHbXZRwU7ZtYQ1bDsSLAWKmKJ/meDIedq7M/T25+viLGPD9sOXdQ Nj6NSymAnIyoFsob9GpO9DemgeS9bxpacc/FKkOvdQN+dBxK+UZWRpnq7GUI7xffrr+4xZ 1AwXdLylklTJuHbiksdJa1Qo0EtmlJ0= ARC-Authentication-Results: i=1; imf13.hostedemail.com; dkim=pass header.d=redhat.com header.s=mimecast20190719 header.b=V+jD3LlE; spf=pass (imf13.hostedemail.com: domain of david@redhat.com designates 170.10.129.124 as permitted sender) smtp.mailfrom=david@redhat.com; dmarc=pass (policy=none) header.from=redhat.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1741817954; 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=YKs6c5vd6BryHi5UgmvOyl94KmjrndKcyGQFDHLGkR0=; b=V+jD3LlEc/40EUSHErUc93E1Lu/cuEvIzpJaDVp/aw2R6eOj76uvAwACrueGAc4LsYAGFv MhZMSEJIS/ySuvrZwIVRRhoff1YckyddDSAnudAfCePNI333/Zg1RmtmqQs3ZAJN1N18Xr AXQpjygs2121gbZ23pYFNUimR/rvb30= Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-349-0kKc_9QLOkiAae8VCBFftQ-1; Wed, 12 Mar 2025 18:19:11 -0400 X-MC-Unique: 0kKc_9QLOkiAae8VCBFftQ-1 X-Mimecast-MFC-AGG-ID: 0kKc_9QLOkiAae8VCBFftQ_1741817950 Received: by mail-wm1-f70.google.com with SMTP id 5b1f17b1804b1-4388eee7073so6476605e9.0 for ; Wed, 12 Mar 2025 15:19:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741817950; x=1742422750; 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=YKs6c5vd6BryHi5UgmvOyl94KmjrndKcyGQFDHLGkR0=; b=E60FEuyelnkNy6JJjomxYb8YowBR5y3xyFCcSI5fRlUx/cChcBi2v8D56pr3f45VxA 4LzL5nbqVt2Ogrkp6IgH+HSOy4SNFN0fdg1lQk9xCAnqKSrpC21IIDJQpupQU2cIg47x kLfy/KeWhAGJARjMSm4OERC+1v6MAiotX3p8FQyDYJ5F1jHSoLUDyvNQEMJyRTeoqS1v lYN4JpxJh16HCwdszOAt99Tpc2cM19PRnkcagaUIE6ykIa3U0Qc3/1cyZU8bVU6/62dt Uu72UZAnoEe1elgFPrPiUbfZtvpHDhka+luKC/eSD+ct0gf+WhFfnZNn+f7ah4PE+MKr f/vA== X-Forwarded-Encrypted: i=1; AJvYcCXKtFbpZoqzu/ec9q7PHGOutMb8YJOm/Jm6GLYCnNitPvEolAhkJ4xqR3Gf1wALZCSMatDbb08wVA==@kvack.org X-Gm-Message-State: AOJu0YweEHrfEZIawc95KIRieLCpNLB1z9AK9G93UZ8LKx9WRhgMSQP2 UYk5FkvBdXYE8NaFE2H8dDmIHjgHq3d6eEhvoPUl9qz/nY6bfWcU/ru6S2SeKKDcokh9hlJF+Ft 5VA+O2CvNDUWc+fVROC7sH6sJIJzyh0y9U33RnN1l6NKvPWQQ X-Gm-Gg: ASbGncsc/cQ8SttN1aGQlG+DUn1cyJN6s2w5Rq6br1UlNHYJ30U2cU/6kTX2m4o5E8g PSDFKaXoOaYkPAutGTbdqHI5HYggOA6zMDslx2ZdUeP8QZwsATh3pgeAT4Va5whDkoGw2NmV0G6 ax3lktn9A7PiEDl1hDgfZcVuRBci3GCqBo9VNSQe4HGAvxbwz7mAD2IPbvhPyOEzZHPzql9XaXf D91GgxaTxAJA7Y1uLzcpDP17yxTTV9mTb94ttIEOqduqdSH7Ik0ljSANXkFqhiTXVImlvPD7NjB jWIpHY8/1gLkMOXwF+i9kVUfMhhVjA/IJ75klJNZaSNmP6vUQmB1IrYXJAGRe2LcbCzET7oRk3Z DvpxezC+lRrNj+OZzMwZ9lrBP7RBe7qrO5HnsiO+ltOE= X-Received: by 2002:a05:600c:5687:b0:43d:186d:a4bf with SMTP id 5b1f17b1804b1-43d186da55cmr561365e9.0.1741817949896; Wed, 12 Mar 2025 15:19:09 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEFCZMzMhDcHcPaUJ7ZYKRB5yd0dTr+9E10/9yIGc6tvXc+O0vqyF/Y1Un5pGyf0sl4Nfe9rg== X-Received: by 2002:a05:600c:5687:b0:43d:186d:a4bf with SMTP id 5b1f17b1804b1-43d186da55cmr561065e9.0.1741817949555; Wed, 12 Mar 2025 15:19:09 -0700 (PDT) Received: from ?IPV6:2003:d8:2f1a:7c00:4ac1:c2c4:4167:8a0f? (p200300d82f1a7c004ac1c2c441678a0f.dip0.t-ipconnect.de. [2003:d8:2f1a:7c00:4ac1:c2c4:4167:8a0f]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43d0a73127esm34510605e9.8.2025.03.12.15.19.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 12 Mar 2025 15:19:08 -0700 (PDT) Message-ID: Date: Wed, 12 Mar 2025 23:19:06 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC 1/5] meminfo: add a per node counter for balloon drivers To: Nico Pache , linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, virtualization@lists.linux.dev, xen-devel@lists.xenproject.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, cgroups@vger.kernel.org Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, jerrin.shaji-george@broadcom.com, bcm-kernel-feedback-list@broadcom.com, arnd@arndb.de, gregkh@linuxfoundation.org, mst@redhat.com, jasowang@redhat.com, xuanzhuo@linux.alibaba.com, eperezma@redhat.com, jgross@suse.com, sstabellini@kernel.org, oleksandr_tyshchenko@epam.com, akpm@linux-foundation.org, hannes@cmpxchg.org, mhocko@kernel.org, roman.gushchin@linux.dev, shakeel.butt@linux.dev, muchun.song@linux.dev, nphamcs@gmail.com, yosry.ahmed@linux.dev, kanchana.p.sridhar@intel.com, alexander.atanasov@virtuozzo.com References: <20250312000700.184573-1-npache@redhat.com> <20250312000700.184573-2-npache@redhat.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: <20250312000700.184573-2-npache@redhat.com> X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: OyZRIooupKXMX3tXZYUGW57jX8YzR6qYWknvPWRewF8_1741817950 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 1EFF720008 X-Stat-Signature: 1qsc87xi3bedh14pidjz8884y58a5o37 X-HE-Tag: 1741817954-335103 X-HE-Meta: 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 dI/Zk42x jyKNoaXS0+ad0qDnD2F4Q+vPXZMutMTnF6NXxfUDyYFJqcerLh7UlA0fgxkYQyzIAjaONlRyn7yej7mBMMvSRlJRVYRS+SS9EwOLiBmObj7CBu0f2zJ00X9eYrLD4Hg+XQZvQlFjaT0pJt9+GrrSGvWpfnOAXGcCjn8rhL7wj/6vTJJ8RQo4CChnbAAq1v9rsfXKbB/MpuvqAX8yL020i3P8JZuCtHF3gSCuYOWR1O+Bya/vA4e88ifp6Lgasw6R+wqdDqOqbvFhScXy9ZqIjTfAT2p0Kq+zVFN4qRhxntui1XR8aY6OQl4VSz6MPO9jbtLLCSDujqyIm/qAEuIGThyHijwBS66S5tJqnH2Xw2Ardj9iDuDDjfDP/kOb8r5YJitynpFUZgWnfyyA= 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 12.03.25 01:06, Nico Pache wrote: > Add NR_BALLOON_PAGES counter to track memory used by balloon drivers and > expose it through /proc/meminfo and other memory reporting interfaces. In balloon_page_enqueue_one(), we perform a __count_vm_event(BALLOON_INFLATE) and in balloon_page_list_dequeue __count_vm_event(BALLOON_DEFLATE); Should we maybe simply do the per-node accounting similarly there? -- Cheers, David / dhildenb