[PATCH v7 2/9] crash_core: fold duplicated memblock arch hooks into the weak default

[sashiko-bot at kernel.org]

> From: Wandun Chen <chenwandun at lixiang.com>
> 
> arm64, loongarch and riscv open-code the same memblock walk in
> arch_get_system_nr_ranges() and arch_crash_populate_cmem(). Move it into
> the __weak defaults in kernel/crash_core.c and delete the arch copies.
> 
> No functional change.
> 
> Signed-off-by: Wandun Chen <chenwandun at lixiang.com>

Sashiko has reviewed this patch and found no issues. It looks great!

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