Re: [PATCH v5 0/5] kdump: crashkernel reservation from CMA

Breno Leitao
2025-08-20T15:46:58Z

Hello Jiri,

On Thu, Jun 12, 2025 at 12:11:19PM +0200, Jiri Bohac wrote:
> The fifth patch enables the functionality for x86 as a proof of
> concept. There are just three things every arch needs to do:
> - call reserve_crashkernel_cma()
> - include the CMA-reserved ranges in the physical memory map
> - exclude the CMA-reserved ranges from the memory available
> through /proc/vmcore by excluding them from the vmcoreinfo
> PT_LOAD ranges.

First, thank you for making this change; it’s very helpful.
I haven’t come across anything regarding arm64 support. Is this on
anyone’s to-do list?

--breno