diff --git a/_posts/2015-12-09-modifying-page-tables.md b/_posts/2015-12-09-modifying-page-tables.md
index 1211fc47..0fc9c961 100644
--- a/_posts/2015-12-09-modifying-page-tables.md
+++ b/_posts/2015-12-09-modifying-page-tables.md
@@ -603,7 +603,7 @@ We define the following:
We already obey this rule: To get a reference to a table, we need to borrow it from its parent table through the `next_table` method. But who owns the P4 table?
-> The recursively mapped P4 table is owned by a `RecursivePageTable` struct.
+> The recursively mapped P4 table is owned by a `ActivePageTable` struct.
We just defined some random owner for the P4 table. But it will solve our problems. So let's create it:
@@ -611,7 +611,7 @@ We just defined some random owner for the P4 table. But it will solve our proble
use self::table::{Table, Level4};
use core::ptr::Unique;
-pub struct RecursivePageTable {
+pub struct ActivePageTable {
p4: Unique
>,
}
```
@@ -620,12 +620,12 @@ We can't store the `Table` directly because it needs to be at a special
[VGA text buffer]: http://os.phil-opp.com/printing-to-screen.html#the-text-buffer
[Unique]: https://doc.rust-lang.org/nightly/core/ptr/struct.Unique.html
-Because the `RecursivePageTable` owns the unique recursive mapped P4 table, there must be only one `RecursivePageTable` instance. Thus we make the constructor function unsafe:
+Because the `ActivePageTable` owns the unique recursive mapped P4 table, there must be only one `ActivePageTable` instance. Thus we make the constructor function unsafe:
```rust
-impl RecursivePageTable {
- pub unsafe fn new() -> RecursivePageTable {
- RecursivePageTable {
+impl ActivePageTable {
+ pub unsafe fn new() -> ActivePageTable {
+ ActivePageTable {
p4: Unique::new(table::P4),
}
}
@@ -646,11 +646,11 @@ fn p4_mut(&mut self) -> &mut Table {
Since we will only create valid P4 pointers, the `unsafe` blocks are safe. However, we don't make these functions public since they can be used to make page tables invalid. Only the higher level functions (such as `translate` or `map_to`) should be usable from other modules.
-Now we can make the `map_to` and `translate` functions safe by making them methods of `RecursivePageTable`:
+Now we can make the `map_to` and `translate` functions safe by making them methods of `ActivePageTable`:
```rust
-impl RecursivePageTable {
- pub unsafe fn new() -> RecursivePageTable {...}
+impl ActivePageTable {
+ pub unsafe fn new() -> ActivePageTable {...}
fn p4(&self) -> &Table {...}
@@ -742,7 +742,7 @@ To test it, we add a `test_paging` function in `memory/paging/mod.rs`:
pub fn test_paging(allocator: &mut A)
where A: FrameAllocator
{
- let page_table = unsafe { RecursivePageTable::new() };
+ let page_table = unsafe { ActivePageTable::new() };
// test it
}