1 files changed, 2 insertions, 0 deletions

diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c
index 855b5611318f..6fe191c58084 100644
--- a/arch/x86_64/kernel/e820.c
+++ b/arch/x86_64/kernel/e820.c
@@ -594,7 +594,9 @@ static int __init parse_memmap_opt(char *p)
                  * size before original memory map is
                  * reset.
                  */
+                e820_register_active_regions(0, 0, -1UL);
                 saved_max_pfn = e820_end_of_ram();
+                remove_all_active_ranges();
 #endif
                 end_pfn_map = 0;
                 e820.nr_map = 0;