linux-kernel - [PATCH 1/3] selftests/futex: reduce array declarations in the requeue

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Message-ID: <tencent_348CCFBB269D37E7FD7D11741116B171CB0A@qq.com>
Date: Thu, 11 Dec 2025 16:38:13 +0800
From: Yuwen Chen <ywen.chen@...mail.com>
To: ywen.chen@...mail.com
Cc: akpm@...ux-foundation.org,
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Subject: [PATCH 1/3] selftests/futex: reduce array declarations in the requeue_single

In the requeue_single function, the variable "waits" only uses
one element. There is no need to use an array.

Signed-off-by: Yuwen Chen <ywen.chen@...mail.com>
---
 tools/testing/selftests/futex/functional/futex_requeue.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/futex/functional/futex_requeue.c b/tools/testing/selftests/futex/functional/futex_requeue.c
index 69e2555b60399..1807465de2144 100644
--- a/tools/testing/selftests/futex/functional/futex_requeue.c
+++ b/tools/testing/selftests/futex/functional/futex_requeue.c
@@ -33,7 +33,7 @@ TEST(requeue_single)
 {
 	volatile futex_t _f1 = 0;
 	volatile futex_t f2 = 0;
-	pthread_t waiter[10];
+	pthread_t waiter;
 	int res;
 
 	f1 = &_f1;
@@ -41,7 +41,7 @@ TEST(requeue_single)
 	/*
 	 * Requeue a waiter from f1 to f2, and wake f2.
 	 */
-	if (pthread_create(&waiter[0], NULL, waiterfn, NULL))
+	if (pthread_create(&waiter, NULL, waiterfn, NULL))
 		ksft_exit_fail_msg("pthread_create failed\n");
 
 	usleep(WAKE_WAIT_US);
-- 
2.34.1