[PATCH v10 0/8] arm64/riscv: Add support for crashkernel CMA reservation

[Andrew Morton]

On Wed, 25 Mar 2026 10:58:56 +0800 Jinjie Ruan <ruanjinjie at huawei.com> wrote:

> The crash memory allocation, and the exclude of crashk_res, crashk_low_res
> and crashk_cma memory are almost identical across different architectures,
> This patch set handle them in crash core in a general way, which eliminate
> a lot of duplication code.
> 
> And add support for crashkernel CMA reservation for arm64 and riscv.

So who is patchmonkey for this.

>  .../admin-guide/kernel-parameters.txt         |  16 +--
>  arch/arm64/kernel/machine_kexec_file.c        |  39 ++-----
>  arch/arm64/mm/init.c                          |   5 +-
>  arch/loongarch/kernel/machine_kexec_file.c    |  39 ++-----
>  arch/powerpc/include/asm/kexec_ranges.h       |   1 -
>  arch/powerpc/kexec/crash.c                    |   7 +-
>  arch/powerpc/kexec/ranges.c                   | 101 +----------------
>  arch/riscv/kernel/machine_kexec_file.c        |  38 ++-----
>  arch/riscv/mm/init.c                          |   5 +-
>  arch/x86/kernel/crash.c                       |  89 ++-------------
>  drivers/of/fdt.c                              |   9 +-
>  drivers/of/kexec.c                            |   9 ++
>  include/linux/crash_core.h                    |   9 ++
>  kernel/crash_core.c                           | 105 +++++++++++++++++-

Me, I guess, with as many arch acks as I can gather, please.

I'm seriously trying to slow things down now, but I guess I can make an
exception for non-MM material.

AI review asks a few questions:
	https://sashiko.dev/#/patchset/20260325025904.2811960-1-ruanjinjie@huawei.com

Can you please check these?  And I'm interested in learning how many of
these are valid.  Thanks.