Re: [PATCH v6 08/10] of: reserved_mem: mark /reserved-memory entries with MEMBLOCK_NODUMP
flat view
From: "Rob Herring (Arm)" <robh@kernel.org>
Date: 2026-09-17 21:56:58
Also in:
kexec, linux-devicetree, linux-iommu, linux-mm, linux-riscv, lkml, loongarch
On Wed, 02 Sep 2026 15:31:14 +0800, Wandun Chen wrote:
From: Wandun Chen <redacted> 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 <redacted> Tested-by: Meijing Zhao <redacted> --- 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@kernel.org>