fix: extract supplemental and shared_files initialisation

src/threads/init.c

@@ -31,6 +31,7 @@
 #else
 #include "tests/threads/tests.h"
 #endif
+#include "vm/page.h"
 #ifdef VM
 #include "vm/frame.h"
 #include "devices/swap.h"
@@ -121,6 +122,7 @@ main (void)
   exception_init ();
   syscall_init ();
 #endif
+  shared_files_init ();
 
   /* Start thread scheduler and enable interrupts. */
   thread_start ();

src/threads/thread.c

@@ -134,10 +134,6 @@ thread_start (void)
                   t))
     PANIC ("Failed to initialise child results table for main thread.");
 
-  /* Initialise the shared files table and lock. */
-  if (!hash_init (&shared_files, shared_file_hash, shared_file_less, NULL))
-    PANIC ("Failed to initialise shared pages table.");
-
   lock_init (&shared_files_lock);
 
   /* Create the idle thread. */
@@ -272,7 +268,7 @@ thread_create (const char *name, int priority,
   if (!hash_init (&t->open_files, fd_hash, fd_less, NULL)
       || !hash_init (&t->child_results, process_result_hash,
                      process_result_less, t)
-      || !hash_init (&t->pages, page_hash, page_less, NULL))
+      || !init_pages (t))
     {
       palloc_free_page (t);
       free (t->result);