diff --git a/src/hello/hello.d b/src/hello/hello.d
index 2db45c0..4ad3198 100644
--- a/src/hello/hello.d
+++ b/src/hello/hello.d
@@ -144,7 +144,7 @@ private bool set_graphics_mode()
 /**
  * Walk the EFI memory map and translate it to the HULK bootinfo format.
  */
-private void get_memory_map(ulong * bss_phys, ulong * stack_phys, ulong * max_physical_address, UINTN * memory_map_key)
+private void get_memory_map(ulong * bss_phys, ulong * stack_phys, ulong * physical_address_limit, UINTN * memory_map_key)
 {
     immutable static ubyte[] efi_to_hulk_memory_map_type = [
         BootInfo.MemoryRegion.Type.Reserved, // EfiReservedMemoryType
@@ -162,7 +162,7 @@ private void get_memory_map(ulong * bss_phys, ulong * stack_phys, ulong * max_ph
         BootInfo.MemoryRegion.Type.MemoryMappedIOPortSpace, // EfiMemoryMappedIOPortSpace
         BootInfo.MemoryRegion.Type.PalCode, // EfiPalCode
     ];
-    *max_physical_address = 0u;
+    *physical_address_limit = 0u;
     UINTN memory_map_size = scratch.free();
     UINTN descriptor_size;
     UINT32 descriptor_version;
@@ -191,7 +191,7 @@ private void get_memory_map(ulong * bss_phys, ulong * stack_phys, ulong * max_ph
         }
         EFI_MEMORY_DESCRIPTOR * descriptor = cast(EFI_MEMORY_DESCRIPTOR *)&scratch_base[count * descriptor_size];
         ulong end_address = descriptor.PhysicalStart + descriptor.NumberOfPages * 4096u;
-        if ((end_address > *max_physical_address) &&
+        if ((end_address > *physical_address_limit) &&
             ((descriptor.Type == EfiLoaderCode) ||
              (descriptor.Type == EfiLoaderData) ||
              (descriptor.Type == EfiBootServicesCode) ||
@@ -200,7 +200,7 @@ private void get_memory_map(ulong * bss_phys, ulong * stack_phys, ulong * max_ph
              (descriptor.Type == EfiRuntimeServicesData) ||
              (descriptor.Type == EfiConventionalMemory)))
         {
-            *max_physical_address = end_address;
+            *physical_address_limit = end_address;
         }
         if (descriptor.Type >= efi_to_hulk_memory_map_type.length)
         {
@@ -358,13 +358,13 @@ private void map_hulk(PageTableEntry * pt_base, ulong bss_phys, ulong stack_phys
 /**
  * Build page tables in preparation to jump to HULK.
  *
- * @param max_physical_address Maximum physical address to identity map.
+ * @param physical_address_limit Maximum physical address to identity map.
  */
-private void build_page_tables(ulong max_physical_address, ulong bss_phys, ulong stack_phys)
+private void build_page_tables(ulong physical_address_limit, ulong bss_phys, ulong stack_phys)
 {
     PageTableEntry * pt_base = new_page_table();
     /* Map physical RAM. */
-    for (size_t addr = 0u; addr < max_physical_address; addr += (2u * 1024u * 1024u))
+    for (size_t addr = 0u; addr < physical_address_limit; addr += (2u * 1024u * 1024u))
     {
         map2m(addr, addr, pt_base);
     }
@@ -372,7 +372,7 @@ private void build_page_tables(ulong max_physical_address, ulong bss_phys, ulong
     for (size_t i = 0u; i < bootinfo().memory_map_count; i++)
     {
         ulong addr = bootinfo().memory_map[i].base;
-        if (addr >= max_physical_address)
+        if (addr >= physical_address_limit)
         {
             map4kregion(addr, addr, bootinfo().memory_map[i].size, pt_base);
         }
@@ -424,11 +424,11 @@ extern (C) EFI_STATUS efi_main(EFI_HANDLE image_handle, EFI_SYSTEM_TABLE * st)
 
     ulong bss_phys;
     ulong stack_phys;
-    ulong max_physical_address;
+    ulong physical_address_limit;
     UINTN memory_map_key;
     for (;;)
     {
-        get_memory_map(&bss_phys, &stack_phys, &max_physical_address, &memory_map_key);
+        get_memory_map(&bss_phys, &stack_phys, &physical_address_limit, &memory_map_key);
 
         EFI_STATUS status = st.BootServices.ExitBootServices(image_handle, memory_map_key);
         if (status == EFI_INVALID_PARAMETER)
@@ -444,7 +444,7 @@ extern (C) EFI_STATUS efi_main(EFI_HANDLE image_handle, EFI_SYSTEM_TABLE * st)
         return EFI_SUCCESS;
     }
 
-    build_page_tables(max_physical_address, bss_phys, stack_phys);
+    build_page_tables(physical_address_limit, bss_phys, stack_phys);
 
     bootinfo().hulk_phys = hulk_bin_phys();
     bootinfo().bss_phys = bss_phys;