Commit 4831be70 authored by Levi Yun's avatar Levi Yun Committed by Will Deacon
Browse files

arm64/kexec: Fix missing extra range for crashkres_low. 



Like crashk_res, Calling crash_exclude_mem_range function with
crashk_low_res area would need extra crash_mem range too.

Add one more extra cmem slot in case of crashk_low_res is used.

Signed-off-by: default avatarLevi Yun <ppbuk5246@gmail.com>
Fixes: 944a45ab ("arm64: kdump: Reimplement crashkernel=X")
Cc: <stable@vger.kernel.org> # 5.19.x
Acked-by: default avatarBaoquan He <bhe@redhat.com>
Reviewed-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20220831103913.12661-1-ppbuk5246@gmail.com


Signed-off-by: default avatarWill Deacon <will@kernel.org>
parent 714f3cbd

arch/arm64/kernel/machine_kexec_file.c

+1 −1
Original line number Diff line number Diff line
@@ -47,7 +47,7 @@ static int prepare_elf_headers(void **addr, unsigned long *sz) 
	u64 i;

	phys_addr_t start, end;



	nr_ranges = 1; /* for exclusion of crashkernel region */

	nr_ranges = 2; /* for exclusion of crashkernel region */

	for_each_mem_range(i, &start, &end)

		nr_ranges++;