diff --git a/sys/amd64/amd64/machdep.c b/sys/amd64/amd64/machdep.c
--- a/sys/amd64/amd64/machdep.c
+++ b/sys/amd64/amd64/machdep.c
@@ -816,7 +816,7 @@
 			continue;
 		}
 
-		if (!add_physmap_entry(p->md_phys, (p->md_pages * PAGE_SIZE),
+		if (!add_physmap_entry(p->md_phys, p->md_pages * EFI_PAGE_SIZE,
 		    physmap, physmap_idx))
 			break;
 	}
diff --git a/sys/arm/arm/machdep_boot.c b/sys/arm/arm/machdep_boot.c
--- a/sys/arm/arm/machdep_boot.c
+++ b/sys/arm/arm/machdep_boot.c
@@ -490,7 +490,7 @@
 			break;
 
 		mr[j].mr_start = p->md_phys;
-		mr[j].mr_size = p->md_pages * PAGE_SIZE;
+		mr[j].mr_size = p->md_pages * EFI_PAGE_SIZE;
 		memory_size += mr[j].mr_size;
 	}
 
diff --git a/sys/arm64/arm64/machdep.c b/sys/arm64/arm64/machdep.c
--- a/sys/arm64/arm64/machdep.c
+++ b/sys/arm64/arm64/machdep.c
@@ -469,7 +469,7 @@
 		 */
 		break;
 	default:
-		physmem_exclude_region(p->md_phys, p->md_pages * PAGE_SIZE,
+		physmem_exclude_region(p->md_phys, p->md_pages * EFI_PAGE_SIZE,
 		    EXFLAG_NOALLOC);
 	}
 }
@@ -501,7 +501,7 @@
 		 * We're allowed to use any entry with these types.
 		 */
 		physmem_hardware_region(p->md_phys,
-		    p->md_pages * PAGE_SIZE);
+		    p->md_pages * EFI_PAGE_SIZE);
 		break;
 	}
 }