From: Levi Yun ppbuk5246@gmail.com
commit 4831be702b95047c89b3fa5728d07091e9e9f7c9 upstream.
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: 944a45abfabc ("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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/arm64/kernel/machine_kexec_file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm64/kernel/machine_kexec_file.c +++ b/arch/arm64/kernel/machine_kexec_file.c @@ -47,7 +47,7 @@ static int prepare_elf_headers(void **ad 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++;