From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 99F5F2BE630 for ; Mon, 22 Jun 2026 11:33:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782128013; cv=none; b=rR3uAzDRfBOaOxrijRVCCjqjE9KrBQU2BWuEKVbX2s57L6OhNcPQrH1tfUXILE2iDQslpdcE45HPM4BhK51dwRm9euD5a3sZN/94RW5UYDb76zOZkg7uWIybGPkb8c8rek7UrRZC3lyUAs9aEpPMJ8S9Yu1CpAMn2Ave8+Q40ss= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782128013; c=relaxed/simple; bh=w7C/gNBAoYmYb/AP2EObHlTpjH9GxzA6fSscp1ZVJ5s=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=E61ec58ftmvGYkO3W+gTVeF817xF3/MNWi0Lg6gX8MRKaPy62oJvbiNHpR1FY+NfKrl6kzuDocXq0m7bg7BHbFtyRl7DVsf29+41g+bSLNpSlz7fijOmaE+V/3seuExMO2nGb4dMl8nrKkj6Fg8eo3LCKrm4uN2Qv1/CaILzMFM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GV7WUOR3; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="GV7WUOR3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6E83E1F000E9; Mon, 22 Jun 2026 11:33:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782128012; bh=kdAHnBdpZTVQI6juQSN7tgkFMstxWIXJjISjq/WP2WU=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=GV7WUOR3AKzyuoyutFs2YXlaNT29n2+g5sSGF91wr8n4mM+tAuY/Yn/RROb5L5VeK WOKciHW3pMe5vks9O8qElaXX7Viqz6vnJWaT3HPP1m58rajXIVBTJo8Zggr2VZyoQ+ Af8KNEFcYbHd80QCcNPsWOgPKVsy+DRMqWjf/AhyZ2KjABigK/lg7a3+FgnAgJBYQg HQlkyFUDE4LdL/n9maBixJzJR8QlfBOfBbaHNM132BuEFVtcxtMKQZ+LGOeNJZ9Scb k0KMMctAjURC4tmPhQxot9lVafqX/z1NyZNDNdYRhx5Sj3a7N2aVGXFUDHK58cNZIt 9CjY/hlc97c8Q== Message-ID: <35b8dea6-3f0e-4e95-bbcc-bb778e567d20@kernel.org> Date: Mon, 22 Jun 2026 13:33:28 +0200 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [Patch v2] mm/page_vma_mapped: revalidate and do proper check before return device-private pmd To: Wei Yang Cc: Lorenzo Stoakes , akpm@linux-foundation.org, riel@surriel.com, liam@infradead.org, vbabka@kernel.org, harry@kernel.org, jannh@google.com, balbirs@nvidia.com, ziy@nvidia.com, sj@kernel.org, linux-mm@kvack.org, stable@vger.kernel.org References: <20260616063436.20455-1-richard.weiyang@gmail.com> <5e7f7fe5-221a-4fca-aa76-297ae19eb80d@kernel.org> <20260620021353.nn7xp2ldqachq7gp@master> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit > >> >> I can then follow up with a proper cleanup. >> > > I would like to do a followup cleanup for this, may I have this chance? Let's fix it first and then decide how to proceed with this code here. I get the feeling that some more of this code might deserve a cleanup. -- Cheers, David