1 files changed, 5 insertions, 0 deletions
diff --git a/mm/mm_init.c b/mm/mm_init.c
index a2fbaa8d917f..2a19f3151661 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -376,6 +376,11 @@ static void __init find_zone_movable_pfns_for_nodes(void)
 	if (mirrored_kernelcore) {
 		bool mem_below_4gb_not_mirrored = false;
 
+		if (!memblock_has_mirror()) {
+			pr_warn("The system has no mirror memory, ignore kernelcore=mirror.\n");
+			goto out;
+		}
+
 		for_each_mem_region(r) {
 			if (memblock_is_mirror(r))
 				continue;