Messages in this thread Patch in this message | | | From | Yun Levi <> | Date | Tue, 30 Aug 2022 13:28:19 +0900 | Subject | [PATCH-RESEND] arm64/kexec: Fix missing extra range for crashkres_low. |
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Like crashk_res, Calling crash_exclude_mem_range function with crashk_low_res area would need extra crash_mem range too. Add one extra crash_mem range when crashk_low_res is used.
Signed-off-by: Levi Yun <ppbuk5246@gmail.com> --- arch/arm64/kernel/machine_kexec_file.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/arm64/kernel/machine_kexec_file.c b/arch/arm64/kernel/machine_kexec_file.c index 889951291cc0..378aee04e7d4 100644 --- a/arch/arm64/kernel/machine_kexec_file.c +++ b/arch/arm64/kernel/machine_kexec_file.c @@ -51,6 +51,9 @@ static int prepare_elf_headers(void **addr, unsigned long *sz) for_each_mem_range(i, &start, &end) nr_ranges++;
+ if (crashk_low_res.end) + nr_ranges++; /**< for exclusion of crashkernel=size,low region */ + cmem = kmalloc(struct_size(cmem, ranges, nr_ranges), GFP_KERNEL); if (!cmem) return -ENOMEM; -- 2.35.1
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