Add allocator
diff --git a/src/kernel/alloc.h b/src/kernel/alloc.h
new file mode 100644
index 0000000..4cb046d
--- /dev/null
+++ b/src/kernel/alloc.h
@@ -0,0 +1,13 @@
+#pragma once
+
+#include "kint.h"
+
+void *_kmalloc(size_t size, bool align, void **phys);
+void *kmalloc(size_t size);
+void *kmalloc_a(size_t size);
+void *kmalloc_ap(size_t size, void **p);
+
+void *malloc(size_t size);
+void free(void *mem);
+
+void init_allocator();