----- Original Message -----

From: "Anshuman Khandual" <redacted>
To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
Cc: "Catalin Marinas" <catalin.marinas@arm.com>, "Will Deacon" <will@kernel.org>, "Ard Biesheuvel" <ardb@kernel.org>,
"Mark Rutland" [off-list ref], "James Morse" [off-list ref], "Robin Murphy" [off-list ref],
"Jérôme Glisse" [off-list ref], "Dan Williams" [off-list ref], "David Hildenbrand"
[off-list ref], "Mike Rapoport" [off-list ref], "Veronika Kabatova" [off-list ref]
Sent: Friday, March 5, 2021 6:38:14 AM
Subject: Re: [PATCH V3 0/2] arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory


On 3/5/21 10:54 AM, Anshuman Khandual wrote:

quoted

This series fixes pfn_valid() for ZONE_DEVICE based memory and also
improves
its performance for normal hotplug memory. While here, it also reorganizes
pfn_valid() on CONFIG_SPARSEMEM. This series is based on v5.12-rc1.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Jérôme Glisse <redacted>
Cc: Dan Williams <redacted>
Cc: David Hildenbrand <redacted>
Cc: Mike Rapoport <redacted>
Cc: Veronika Kabatova <redacted>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org

Changes in V3:

- Validate the pfn before fetching mem_section with __pfn_to_section() in
[PATCH 2/2]

Hello Veronica,

Could you please help recreate the earlier failure [1] but with this
series applies on v5.12-rc1. Thank you.

Hello Anshuman,

the machine in question is currently loaned to a developer. I'll reach
out to them and will let you know once I have any results.


Veronika

[1]
https://lore.kernel.org/linux-arm-kernel/cki.8D1CB60FEC.K6NJMEFQPV@redhat.com/ (local)

- Anshuman

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