stress-skiplist: add some UNLIKELY branch hints

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
ColinIanKing · Jan 29, 2025 · f4ab463 · f4ab463
1 parent 9869651
commit f4ab463
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/stress-skiplist.c b/stress-skiplist.c
@@ -246,7 +246,7 @@ static int OPTIMIZE3 stress_skiplist(stress_args_t *args)
 		for (i = 0; i < n; i++) {
 			const unsigned long int v = (i >> 1) ^ i;
 
-			if (!skip_list_insert(&list, v)) {
+			if (UNLIKELY(!skip_list_insert(&list, v))) {
 				pr_inf("%s: out of memory initializing the skip list\n",
 					args->name);
 				skip_list_free(&list);
@@ -257,7 +257,7 @@ static int OPTIMIZE3 stress_skiplist(stress_args_t *args)
 		for (i = 0; i < n; i++) {
 			const unsigned long int v = (i >> 1) ^ i;
 
-			if (!skip_list_search(&list, v)) {
+			if (UNLIKELY(!skip_list_search(&list, v))) {
 				pr_fail("%s node containing value %lu was not found\n",
 					args->name, v);
 				rc = EXIT_FAILURE;