Re: [PATCH v6 5/8] LoongArch: Allow memblock arrays to resize

From: Mike Rapoport

Date: Thu Nov 05 2026 - 08:16:54 EST


On Fri, Oct 30, 2026 at 02:29:52AM +0900, George Guo wrote:
> From: George Guo <guodongtai@xxxxxxxxxx>
>
> LoongArch never calls memblock_allow_resize(), so the reserved region
> array cannot grow beyond INIT_MEMBLOCK_RESERVED_REGIONS entries
> (INIT_MEMBLOCK_REGIONS + NR_CPUS).

This might be something to fix independent of KHO.

Huacai,

What's the reason LoongArch never enables memblock resizing and why it
defines INIT_MEMBLOCK_RESERVED_REGIONS to include NR_CPUS?

--
Sincerely yours,
Mike.