provided code

src/devices/swap.h

@@ -0,0 +1,11 @@
+#ifndef DEVICES_SWAP_H
+#define DEVICES_SWAP_H 1
+
+#include <stddef.h>
+
+void swap_init (void);
+size_t swap_out (const void *vaddr);
+void swap_in (void *vaddr, size_t slot);
+void swap_drop (size_t slot);
+
+#endif /* devices/swap.h */