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 --- arch/arm64/kernel/machine_kexec_file.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/kernel/machine_kexec_file.c b/arch/arm64/kernel/machine_kexec_file.c index 889951291cc0..a11a6e14ba89 100644 --- 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 **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++;
-- 2.35.1
On Wed, 31 Aug 2022 19:39:13 +0900, Levi Yun wrote:
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.
Applied to arm64 (for-next/fixes), thanks!
[1/1] arm64/kexec: Fix missing extra range for crashkres_low. https://git.kernel.org/arm64/c/4831be702b95
Cheers,
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