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[149.14.88.26]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-70729a9cadasm57161066d6.34.2025.07.30.02.58.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 30 Jul 2025 02:58:26 -0700 (PDT) Message-ID: <65e9ee9a-3b64-4efc-ade0-83990de7af91@redhat.com> Date: Wed, 30 Jul 2025 11:58:22 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH v4 0/4] mm, bpf: BPF based THP order selection To: Yafang Shao , Zi Yan Cc: akpm@linux-foundation.org, baolin.wang@linux.alibaba.com, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, hannes@cmpxchg.org, usamaarif642@gmail.com, gutierrez.asier@huawei-partners.com, willy@infradead.org, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, ameryhung@gmail.com, bpf@vger.kernel.org, linux-mm@kvack.org References: <20250729091807.84310-1-laoar.shao@gmail.com> <08D7155B-84F0-4575-B192-96901CFE690A@nvidia.com> From: David Hildenbrand Autocrypt: addr=david@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: A35CD160002 X-Rspamd-Server: rspam06 X-Stat-Signature: ij3cowibb31j4ei9usm9ror5kuahrwgc X-HE-Tag: 1753869511-88170 X-HE-Meta: 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 N/Ztbgei JtJ4ix8OCOZlDlfv1/ok7tDzLPiEtZzpjMvYvTTxHCKcdxPI4Xsk1mzICmN7ZwQYO8iyOoZOPwfxv/RxeXkNwSfnKTM/sh3a05sk1tY23Vjvm8jAC7b94K5LLddZYpIenmepKA6KT5CRUinqE15Wf8FHqG9mrlwoeASoRgzDSo+BFJvwjoZCOBT4RUEsJcKg3D+y3+ZUtvB6UOqF/8JVpK67gwfcY3vKdEUkIsmKWGH2tpnpBLFAXK3G4C3RYGYntjrK4b0Ja7zdz8pKR8KVOCb3FfUrzflQcLj6fbgIm7ThjA8Cj7DG70UMnUZGI4fDB2t5y7aj82z0GQZpw1VWN0FOFAEUC6zHUvpCAvDsB+8dRLmlxnJITEfjVW4gyQA5R/6Eii3VOeGxXUjQNQKKXxVohC9l6MKstkSP4/HLR+qstgti2XvcElXlmHfkA9gZfYb0mHiOIKII9q5fZG6NzG2vHixX47p5MxtBM2MnH3BjddJflIKw9fAvchDTOvV9fDj40Ha4j76+I2Di4bC32I9UshaBc/VWOLAi3n7TNu26MjxRqTGAjrzZDS5eq/XRYzbS1Wt0/vR4DIIPcyo1ieBCpMRqMxwSXx6XPA57h8hbvdGU= 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: > > Yes, mm is sufficient for our use cases. > We've already deployed a variant of this patchset in our production > environment, and it has been performing well under our workloads. > >> Are you planning to extend the >> BFP interface to VMA in the future? Just curious. > > Our use cases don’t currently require the VMA. > We can add it later if a clear need arises. We should start immediately with a VMA-based approach as discussed previously. -- Cheers, David / dhildenb