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

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Message-ID: <aOTZTji039KEJ1T0@dwarf.suse.cz>
Date: Tue, 7 Oct 2025 11:11:42 +0200
From: Jiri Bohac <jbohac@...e.cz>
To: Baoquan He <bhe@...hat.com>
Cc: David Hildenbrand <dhildenb@...hat.com>,
	Breno Leitao <leitao@...ian.org>, kas@...nel.org, riel@...riel.com,
	vbabka@...e.cz, nphamcs@...il.com, Vivek Goyal <vgoyal@...hat.com>,
	Dave Young <dyoung@...hat.com>, kexec@...ts.infradead.org,
	akpm@...ux-foundation.org, Philipp Rudo <prudo@...hat.com>,
	Donald Dutile <ddutile@...hat.com>, Pingfan Liu <piliu@...hat.com>,
	Tao Liu <ltao@...hat.com>, linux-kernel@...r.kernel.org,
	Michal Hocko <mhocko@...e.cz>
Subject: Re: [PATCH v5 0/5] kdump: crashkernel reservation from CMA

On Tue, Oct 07, 2025 at 11:55:36AM +0800, Baoquan He wrote:
> And I saw Jiri has excluded the crashk_cma_ranges[] from the dumped
> content via elf_header_exclude_ranges(). 

Exactly, thanks for pointing this out, while I was away from my e-mail.

The crashkernel CMA reservation ranges will not be seen at all by
makedumpfile.

-- 
Jiri Bohac <jbohac@...e.cz>
SUSE Labs, Prague, Czechia