Re: [PATCH] arm64: mm: Correct the update of max_pfn

[Catalin Marinas]

On Fri, 21 Mar 2025 15:00:19 +0800, Zhenhua Huang wrote:
> Hotplugged memory can be smaller than the original memory. For example,
> on my target:
> 
> root@genericarmv8:~# cat /sys/kernel/debug/memblock/memory
>    0: 0x0000000064005000..0x0000000064023fff    0 NOMAP
>    1: 0x0000000064400000..0x00000000647fffff    0 NOMAP
>    2: 0x0000000068000000..0x000000006fffffff    0 DRV_MNG
>    3: 0x0000000088800000..0x0000000094ffefff    0 NONE
>    4: 0x0000000094fff000..0x0000000094ffffff    0 NOMAP
> max_pfn will affect read_page_owner. Therefore, it should first compare and
> then select the larger value for max_pfn.
> 
> [...]

Applied to arm64 (for-next/core), thanks!

[1/1] arm64: mm: Correct the update of max_pfn
      https://git.kernel.org/arm64/c/89f43e1ce6f6

-- 
Catalin