diff --git a/aarch64/src/runtime.rs b/aarch64/src/runtime.rs
index aa65a36..a5740fb 100644
--- a/aarch64/src/runtime.rs
+++ b/aarch64/src/runtime.rs
@@ -40,9 +40,9 @@ fn oom(_layout: Layout) -> ! {
     panic!("oom");
 }
 
-struct FakeAlloc;
+struct VmemAllocator;
 
-unsafe impl GlobalAlloc for FakeAlloc {
+unsafe impl GlobalAlloc for VmemAllocator {
     unsafe fn alloc(&self, _layout: Layout) -> *mut u8 {
         panic!("fake alloc");
     }
@@ -52,4 +52,4 @@ unsafe impl GlobalAlloc for FakeAlloc {
 }
 
 #[global_allocator]
-static FAKE_ALLOCATOR: FakeAlloc = FakeAlloc {};
+static VMEM_ALLOCATOR: VmemAllocator = VmemAllocator {};
diff --git a/aarch64/src/vmalloc.rs b/aarch64/src/vmalloc.rs
index df677d5..e6d0173 100644
--- a/aarch64/src/vmalloc.rs
+++ b/aarch64/src/vmalloc.rs
@@ -1,9 +1,9 @@
 use core::mem::MaybeUninit;
 
 use port::{
-    boundarytag::Arena,
     mcslock::{Lock, LockNode},
     mem::VirtRange,
+    vmem::Arena,
 };
 
 static VMALLOC: Lock<Option<&'static mut VmAlloc>> = Lock::new("vmalloc", None);
@@ -46,8 +46,6 @@ pub fn init(heap_range: VirtRange) {
     });
 }
 
-// TODO Add VmFlag (BestFit, InstantFit, NextFit)
-
 pub fn alloc(size: usize) -> *mut u8 {
     let node = LockNode::new();
     let mut lock = VMALLOC.lock(&node);
diff --git a/port/src/lib.rs b/port/src/lib.rs
index 8ada5c1..6fb214d 100644
--- a/port/src/lib.rs
+++ b/port/src/lib.rs
@@ -6,9 +6,9 @@
 #![forbid(unsafe_op_in_unsafe_fn)]
 
 pub mod bitmapalloc;
-pub mod boundarytag;
 pub mod dat;
 pub mod devcons;
 pub mod fdt;
 pub mod mcslock;
 pub mod mem;
+pub mod vmem;
diff --git a/port/src/boundarytag.rs b/port/src/vmem.rs
similarity index 100%
rename from port/src/boundarytag.rs
rename to port/src/vmem.rs