FINALLY PAGING AND HEAP WORK WITH REALLY BAD CODE

kernel/src/allocator.rs

@@ -3,11 +3,8 @@ use linked_list_allocator::LockedHeap;
 #[global_allocator]
 static ALLOCATOR: LockedHeap = LockedHeap::empty();
 
-pub const HEAP_START: *mut u8 = 0x9000_0000 as *mut u8;
-pub const HEAP_SIZE: usize = 100 * 1024;
-
 pub fn init_heap() {
     unsafe {
-        ALLOCATOR.lock().init(HEAP_START, HEAP_SIZE);
+        ALLOCATOR.lock().init(crate::arch::paging::first_free(), crate::arch::paging::free_len());
     }
 }