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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: Levi Yun <ppbuk5246@gmail.com>
Fixes: 944a45abfa ("arm64: kdump: Reimplement crashkernel=X")
Cc: <stable@vger.kernel.org> # 5.19.x
Acked-by: Baoquan He <bhe@redhat.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20220831103913.12661-1-ppbuk5246@gmail.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Levi Yun 2022-08-31 19:39:13 +09:00 committed by Will Deacon
parent 714f3cbd70
commit 4831be702b
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/kernel/machine_kexec_file.c
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@ -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++;