From nobody Sun May 10 21:55:25 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 6F8E5C433EF for ; Fri, 29 Apr 2022 03:00:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234863AbiD2DEA (ORCPT ); Thu, 28 Apr 2022 23:04:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42956 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234852AbiD2DDt (ORCPT ); Thu, 28 Apr 2022 23:03:49 -0400 Received: from mail.nfschina.com (unknown [IPv6:2400:dd01:100f:2:72e2:84ff:fe10:5f45]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 3173C3334F for ; Thu, 28 Apr 2022 20:00:32 -0700 (PDT) Received: from localhost (unknown [127.0.0.1]) by mail.nfschina.com (Postfix) with ESMTP id E8E001E80D45; Fri, 29 Apr 2022 10:56:53 +0800 (CST) X-Virus-Scanned: amavisd-new at test.com Received: from mail.nfschina.com ([127.0.0.1]) by localhost (mail.nfschina.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id GieVs9qPp06N; Fri, 29 Apr 2022 10:56:51 +0800 (CST) Received: from localhost.localdomain (unknown [111.193.132.126]) (Authenticated sender: kunyu@nfschina.com) by mail.nfschina.com (Postfix) with ESMTPA id EC6FE1E80D05; Fri, 29 Apr 2022 10:56:50 +0800 (CST) From: Li kunyu To: mingo@redhat.com, peterz@infradead.org, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, bristot@redhat.com Cc: linux-kernel@vger.kernel.org, Li kunyu Subject: [PATCH RESEND] sched: Optimize unused integer return values Date: Fri, 29 Apr 2022 10:58:52 +0800 Message-Id: <20220429025852.49657-1-kunyu@nfschina.com> X-Mailer: git-send-email 2.18.2 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 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