1 files changed, 5 insertions, 3 deletions

diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index ce97bf3bed12..7aafeb5263ef 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -1290,15 +1290,17 @@ void __init e820_reserve_resources(void)
                 res->start = e820.map[i].addr;
                 res->end = end;
 
-                res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+                res->flags = IORESOURCE_MEM;
 
                 /*
                  * don't register the region that could be conflicted with
                  * pci device BAR resource and insert them later in
                  * pcibios_resource_survey()
                  */
-                if (e820.map[i].type != E820_RESERVED || res->start < (1ULL<<20))
+                if (e820.map[i].type != E820_RESERVED || res->start < (1ULL<<20)) {
+                        res->flags |= IORESOURCE_BUSY;
                         insert_resource(&iomem_resource, res);
+                }
                 res++;
         }
 
@@ -1318,7 +1320,7 @@ void __init e820_reserve_resources_late(void)
         res = e820_res;
         for (i = 0; i < e820.nr_map; i++) {
                 if (!res->parent && res->end)
-                        reserve_region_with_split(&iomem_resource, res->start, res->end, res->name);
+                        insert_resource_expand_to_fit(&iomem_resource, res);
                 res++;
         }
 }