fix warning

rust-osdev · Mar 1, 2022 · fd8f2f1 · fd8f2f1
1 parent 9bef8f0
commit fd8f2f1
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/addr.rs b/src/addr.rs
@@ -11,6 +11,7 @@ use crate::structures::paging::page_table::PageTableLevel;
 use crate::structures::paging::{PageOffset, PageTableIndex};
 use bit_field::BitField;
 
+#[cfg(feature = "step_trait")]
 const ADDRESS_SPACE_SIZE: u64 = 0x1_0000_0000_0000;
 
 /// A canonical 64-bit virtual memory address.