Move mutex and mem create/cleanup functions into mutex.c and mem.c respectively

kernel/proc/resource.c

@@ -42,38 +42,6 @@ void proc_drop_resource (struct proc* proc, struct proc_resource* resource) {
   }
 }
 
-static bool proc_create_resource_mem (struct proc_resource_mem* mem,
-                                      struct proc_resource_mem_init* init) {
-  if (init->pages == 0)
-    return false;
-
-  uintptr_t paddr = pmm_alloc (init->pages);
-  if (paddr == PMM_ALLOC_ERR)
-    return false;
-
-  mem->paddr = paddr;
-  mem->pages = mem->alive_pages = init->pages;
-
-  return true;
-}
-
-static void proc_cleanup_resource_mem (struct proc* proc, struct proc_resource* resource) {
-  (void)proc;
-  pmm_free (resource->u.mem.paddr, resource->u.mem.pages);
-}
-
-static bool proc_create_resource_mutex (struct proc_mutex* mutex) {
-  memset (mutex, 0, sizeof (*mutex));
-
-  return true;
-}
-
-static void proc_cleanup_resource_mutex (struct proc* proc, struct proc_resource* resource) {
-  struct proc_mutex* mutex = &resource->u.mutex;
-
-  proc_mutex_unlock (proc, mutex);
-}
-
 struct proc_resource* proc_create_resource (struct proc* proc, int rid, int type, int vis,
                                             void* data) {
   spin_lock_ctx_t ctxpr;