1431 	struct exec_args_kva *argkva;  in exec_prealloc_args_kva()  local
1437 		argkva = malloc(sizeof(*argkva), M_PARGS, M_WAITOK);  in exec_prealloc_args_kva()
1438 		argkva->addr = kmap_alloc_wait(exec_map, exec_map_entry_size);  in exec_prealloc_args_kva()
1439 		argkva->gen = exec_args_gen;  in exec_prealloc_args_kva()
1440 		SLIST_INSERT_HEAD(&exec_args_kva_freelist, argkva, next);  in exec_prealloc_args_kva()
1448 	struct exec_args_kva *argkva;  in exec_alloc_args_kva()  local
1450 	argkva = (void *)atomic_readandclear_ptr(  in exec_alloc_args_kva()
1452 	if (argkva == NULL) {  in exec_alloc_args_kva()
1454 		while ((argkva = SLIST_FIRST(&exec_args_kva_freelist)) == NULL)  in exec_alloc_args_kva()
1460 	kasan_mark((void *)argkva->addr, exec_map_entry_size,  in exec_alloc_args_kva()
1462 	*(struct exec_args_kva **)cookie = argkva;  in exec_alloc_args_kva()
1463 	return (argkva->addr);  in exec_alloc_args_kva()
1467 exec_release_args_kva(struct exec_args_kva *argkva, u_int gen)  in exec_release_args_kva()  argument
1471 	base = argkva->addr;  in exec_release_args_kva()
1472 	kasan_mark((void *)argkva->addr, 0, exec_map_entry_size,  in exec_release_args_kva()
1474 	if (argkva->gen != gen) {  in exec_release_args_kva()
1477 		argkva->gen = gen;  in exec_release_args_kva()
1480 	    (uintptr_t)NULL, (uintptr_t)argkva)) {  in exec_release_args_kva()
1482 		SLIST_INSERT_HEAD(&exec_args_kva_freelist, argkva, next);  in exec_release_args_kva()
1499 	struct exec_args_kva *argkva;  in exec_args_kva_lowmem()  local
1513 	while ((argkva = SLIST_FIRST(&head)) != NULL) {  in exec_args_kva_lowmem()
1515 		exec_release_args_kva(argkva, gen);  in exec_args_kva_lowmem()
1519 		argkva = (void *)atomic_readandclear_ptr(  in exec_args_kva_lowmem()
1521 		if (argkva != NULL)  in exec_args_kva_lowmem()
1522 			exec_release_args_kva(argkva, gen);  in exec_args_kva_lowmem()