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a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1763110556; 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=Uwf5bRU3kexEmP1AXYZm57AgucOAIrQvx+XjIm6xsS0=; b=jtxxsFO66yLdUTQJz2Itv93xW4c7AEgy2xKSlEqnTWWH6/ef5oBlmQbq2JK3Y4Ox4C//1D U1wP9bMkhFsGIfGseYgsu91YHQ/XqYhbemgmCSW4P3N9gQJ1IjW71CFuSghhcX0Ugwuev0 jFd1XaoRdPdbB/t0zluYN+WorJpr4ZI= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 7CE2E60167; Fri, 14 Nov 2025 08:55:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9CF61C4CEF8; Fri, 14 Nov 2025 08:55:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763110555; bh=Y9GaWZjsaZYBlLOBfHlz225w8pyP9PxE/E+ITzoHF9I=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=cuDJC7iZYaF42xW9AIG+wfnPQeCsU+GOAUmZ/kExTcKDqdSii8Ga6RMVMjPaL2lTA 9fYD7u7MXv7Z0jj7/MGZe9JwQ4w4dy4wlxynz3Vvy+rxXOhxpE7fJic+qXj+BQFk+x XXsw4FSEoadJ1ubG0EJ22aTcCIiHe5a2NSC+P/4LCCt9xMQQbyqzWfyU6ZPRQ56eof R6GTpIT7qY/ThoGAaLsmT6CT5S51AS1rpEExWKGrkwdpcvwJTgI9QIokZJ7aZGLWD0 x0tXjwN/P8c5tsVQGMyiDxMN3mrMQ8MQdUPu6nQN2xc4bwslL1PIIoAuQkCIHcutM4 mqODBQbYUho1g== Message-ID: <5ae16c37-dccb-49c6-a43c-7f225060d8cf@kernel.org> Date: Fri, 14 Nov 2025 09:55:49 +0100 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, lorenzo.stoakes@oracle.com, ziy@nvidia.com, baolin.wang@linux.alibaba.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: "David Hildenbrand (Red Hat)" Content-Language: en-US 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-Queue-Id: 0B07B80009 X-Rspamd-Server: rspam07 X-Stat-Signature: nb1eu5ff6cb3751ypda6cyi9uxot1rox X-Rspam-User: X-HE-Tag: 1763110555-235816 X-HE-Meta: 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 WAYkhkQ3 e/AeBjNIt+Z1x5rt4nZ78SuFsf7nJQnKP//CzU8pLvFF+inaUmT1H1xPNE2BB49dPA61d445JS5/ZKJfHqp3mSmZxMJRUucOi1uImY2HllEC505z5+ZnqVIVyB0O+wPu3YX0CK04M4LrYF4iAiIeIee/gpE9K2HupK01oShi55ldLtXAfbA5+XgUtb6iMa10GOYvZQotyhp4raGynl8q4uOshyONyXeLtaddhtIat5+lQjmjgUdyfw19a9GZX+Hzc3rwca7kReEPu6kqRb802wdl15HScv3/h41DWeQI8LyDAnt+4FWz5uTDoLtqnl5u/eGoW29YCnhboUUBgQAQy50tAKSMJ3vTQ9nHrkvFwZAh+uZZsV/u6naeNFb/jvHM2RrApu1HB0GHQtrj8cYxafqfWlHnEeUDoRxRxtzqdpXkBYKo= 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 14.11.25 04:00, 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 > --- Acked-by: David Hildenbrand (Red Hat) -- Cheers David