Kdump kernel using memmap=exactmap, move e820_reserve_setup_data after parsing early params so they can be set reserved finally. Or kdump kernel will warn about ioremap a normal ram range. Signed-off-by: Dave Young --- arch/x86/kernel/setup.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- efi.orig/arch/x86/kernel/setup.c +++ efi/arch/x86/kernel/setup.c @@ -927,8 +927,6 @@ void __init setup_arch(char **cmdline_p) iomem_resource.end = (1ULL << boot_cpu_data.x86_phys_bits) - 1; setup_memory_map(); parse_setup_data(); - /* update the e820_saved too */ - e820_reserve_setup_data(); copy_edd(); @@ -990,6 +988,8 @@ void __init setup_arch(char **cmdline_p) early_dump_pci_devices(); #endif + /* update the e820_saved too */ + e820_reserve_setup_data(); finish_e820_parsing(); if (efi_enabled(EFI_BOOT))