feature: both physical and virtual allocators should be done

headers/memory.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <stdint.h>
+#include <stddef.h>
 
 #define PRESENT    (1 << 0)
 #define RW         (1 << 1)
@@ -10,5 +10,7 @@
 #define PAGE_SIZE  4096
 
 void init_memory(void);
-void *kalloc_frame(uint32_t nb_frames);
-int kfree_frame(void *frame, uint32_t nb_frames);
+void *alloc_frames(size_t size);
+int free_frames(void *frame_ptr, size_t size);
+void *alloc_pages(size_t size);
+int free_pages(void *page_ptr, size_t size);