From nobody Sun May 10 21:54:45 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 407C2C433EF for ; Fri, 22 Apr 2022 07:36:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1444897AbiDVHjG (ORCPT ); Fri, 22 Apr 2022 03:39:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52530 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345405AbiDVHjB (ORCPT ); Fri, 22 Apr 2022 03:39:01 -0400 X-Greylist: delayed 1715 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Fri, 22 Apr 2022 00:36:09 PDT Received: from localhost.localdomain (unknown [219.141.250.2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22C0C50B02 for ; Fri, 22 Apr 2022 00:36:08 -0700 (PDT) Received: from [127.0.0.1] (helo=localhost.localdomain) by localhost.localdomain with esmtps (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92.3) (envelope-from ) id 1nhnNr-0006Hd-Mq; Fri, 22 Apr 2022 15:07:15 +0800 Received: (from root@localhost) by localhost.localdomain (8.15.2/8.15.2/Submit) id 23M76wCn024156; Fri, 22 Apr 2022 15:06:58 +0800 Date: Fri, 22 Apr 2022 15:06:58 +0800 From: Li kunyu To: Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira Cc: linux-kernel@vger.kernel.org Subject: [PATCH] sched: Optimize unused integer return values Message-ID: <20220422070658.GA24149@localhost.localdomain> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" sched: Optimize unused integer return values Signed-off-by: Li kunyu --- kernel/sched/core.c | 3 +-- kernel/sched/sched.h | 4 ++-- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 51efaabac3e4..a71d09d6bb75 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5491,11 +5491,10 @@ static void sched_tick_stop(int cpu) } #endif /* CONFIG_HOTPLUG_CPU */ =20 -int __init sched_tick_offload_init(void) +void __init sched_tick_offload_init(void) { tick_work_cpu =3D alloc_percpu(struct tick_work); BUG_ON(!tick_work_cpu); - return 0; } =20 #else /* !CONFIG_NO_HZ_FULL */ diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 8dccb34eb190..850e25f7460d 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -2326,7 +2326,7 @@ extern void post_init_entity_util_avg(struct task_str= uct *p); =20 #ifdef CONFIG_NO_HZ_FULL extern bool sched_can_stop_tick(struct rq *rq); -extern int __init sched_tick_offload_init(void); +extern void __init sched_tick_offload_init(void); =20 /* * Tick may be needed by tasks in the runqueue depending on their policy a= nd @@ -2346,7 +2346,7 @@ static inline void sched_update_tick_dependency(struc= t rq *rq) tick_nohz_dep_set_cpu(cpu, TICK_DEP_BIT_SCHED); } #else -static inline int sched_tick_offload_init(void) { return 0; } +static inline void sched_tick_offload_init(void) { } static inline void sched_update_tick_dependency(struct rq *rq) { } #endif =20 --=20 2.18.2