In commit 91f5b9c ("kdump: pass e820 reserved region to 2nd kernel via e820 table or setup_data"), I made a wrong condition check. We should only add cmdline for a memory range if --pass-memmap-cmdline and the range type isn't RANGE_RESERVED. Signed-off-by: WANG Chao <chaowang at redhat.com> --- kexec/arch/i386/crashdump-x86.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kexec/arch/i386/crashdump-x86.c b/kexec/arch/i386/crashdump-x86.c index cc33347..999a837 100644 --- a/kexec/arch/i386/crashdump-x86.c +++ b/kexec/arch/i386/crashdump-x86.c @@ -1000,7 +1000,7 @@ int load_crashdump_segments(struct kexec_info *info, char* mod_cmdline, type = mem_range[i].type; size = end - start + 1; add_memmap(memmap_p, &nr_memmap, start, size, type); - if (arch_options.pass_memmap_cmdline || type != RANGE_RESERVED) + if (arch_options.pass_memmap_cmdline && type != RANGE_RESERVED) cmdline_add_memmap_acpi(mod_cmdline, start, end); } -- 1.9.0