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b=O1ezqFQs2bF1XAHFblvP89oDYkSJludUKEmIH/XVSRp8ykPrJxrK9b5K18gyjjsqoOq8VPH+USmDb/NlRZHnWUfwVkA69naCHROc4OlvXrKDYFAunhE3XzlJewwKPRPvhousEheAJabyF2ARAmkNI4xxf6UQOhMFAWUFjqaUYAw= Received: from 30.74.144.119(mailfrom:baolin.wang@linux.alibaba.com fp:SMTPD_---0WsWxr8k_1763367118 cluster:ay36) by smtp.aliyun-inc.com; Mon, 17 Nov 2025 16:11:58 +0800 Message-ID: Date: Mon, 17 Nov 2025 16:11:57 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [Patch v2 3/3] mm/khugepaged: unify SCAN_PMD_NONE and SCAN_PMD_NULL into SCAN_NO_PTE_TABLE To: Wei Yang , akpm@linux-foundation.org, david@kernel.org, lorenzo.stoakes@oracle.com, ziy@nvidia.com, Liam.Howlett@oracle.com, npache@redhat.com, ryan.roberts@arm.com, dev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com Cc: linux-mm@kvack.org References: <20251114030028.7035-1-richard.weiyang@gmail.com> <20251114030028.7035-4-richard.weiyang@gmail.com> From: Baolin Wang In-Reply-To: <20251114030028.7035-4-richard.weiyang@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 421ABC0006 X-Stat-Signature: 7rm5if391t1dc3pkfp78pbb9dcd3aez9 X-Rspam-User: X-HE-Tag: 1763367123-534431 X-HE-Meta: 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 YBRk5VLU RNKReaSTGS67xl3qGZUJwiWBJsQlIBr0Os7xUlZzvW8Ukpjq2+tg4UFLa+kKun1NfyvN+lpwr68guffTWiTGVEloXc0ynScsTVYcIVPqD/5KvaE+/qNvs3/x0Wa74Lt45GOxIARQ5jB4yjF3FmXpBFrQx/YYCc9zZJnjMob4r/sdUK9fdp9ofpRYFp8kscjD8ao+DuiVF20B68PtjTF3etY9gFo/AQ8TPGeDioCqhWeQFn8sySW2mvtDjaRqxuiZB33oiAN2hEZEz3Wmoh6yN4eJiXSdj0powtbDsRPUXahGzO5k8NuZsi0rq0iAKC2fZkcTN8wjK8y+0JJ8Du1m/7i75ZqZh7xYYVYhHD2Fy1WfMQeMhbDLe7CLYw4UTiSFDnDaL2v1odKczLYsBEiVlmBorwH2ozNWfRGu0GT2X+5dO808BzGOX8wfZKM92auXEeUwJgOzr1MXiWdbJL2zoAlIHVQ== 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 2025/11/14 11:00, Wei Yang wrote: > The current hugepage collapse scan results include two separate values, > SCAN_PMD_NONE and SCAN_PMD_NULL, which are handled identically by > the consuming code. > > To reduce confusion and improve long-term maintenance, this commit > merges these two functionally equivalent states into a single, clearer > identifier: SCAN_NO_PTE_TABLE > > Suggested-by: "David Hildenbrand (Red Hat)" > Signed-off-by: Wei Yang > --- Looks cleaner. Thanks. Reviewed-by: Baolin Wang