[PATCH v6 08/10] of: reserved_mem: mark /reserved-memory entries with MEMBLOCK_NODUMP

[Rob Herring (Arm)]

On Wed, 02 Sep 2026 15:31:14 +0800, Wandun Chen wrote:
> From: Wandun Chen <chenwandun at lixiang.com>
> 
> Mark non-dumpable reserved-memory regions with MEMBLOCK_NODUMP so
> kdump can omit them from the vmcore.
> 
> The marking is guarded by CONFIG_CRASH_DUMP so non-kdump kernels do not
> pay the cost of splitting memblock.memory entries at NODUMP boundaries.
> 
> Signed-off-by: Wandun Chen <chenwandun at lixiang.com>
> Tested-by: Meijing Zhao <zhaomeijing at lixiang.com>
> ---
>  drivers/of/fdt.c             |  1 +
>  drivers/of/of_private.h      |  1 +
>  drivers/of/of_reserved_mem.c | 15 +++++++++++++++
>  3 files changed, 17 insertions(+)
> 

Reviewed-by: Rob Herring (Arm) <robh at kernel.org>