[PATCH V3 0/2] arm64/mm: Fix pfn_valid() for ZONE_DEVICE based memory

[Anshuman Khandual]

On 3/5/21 10:54 AM, Anshuman Khandual wrote:
> 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 at arm.com>
> Cc: Will Deacon <will at kernel.org>
> Cc: Ard Biesheuvel <ardb at kernel.org>
> Cc: Mark Rutland <mark.rutland at arm.com>
> Cc: James Morse <james.morse at arm.com>
> Cc: Robin Murphy <robin.murphy at arm.com>
> Cc: Jérôme Glisse <jglisse at redhat.com>
> Cc: Dan Williams <dan.j.williams at intel.com>
> Cc: David Hildenbrand <david at redhat.com>
> Cc: Mike Rapoport <rppt at linux.ibm.com>
> Cc: Veronika Kabatova <vkabatov at redhat.com>
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-mm at kvack.org
> Cc: linux-kernel at 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.

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

- Anshuman