From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946296Ab2I1VhL (ORCPT ); Fri, 28 Sep 2012 17:37:11 -0400 Received: from moutng.kundenserver.de ([212.227.126.187]:63816 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1946284Ab2I1VhG (ORCPT ); Fri, 28 Sep 2012 17:37:06 -0400 From: Arnd Bergmann To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, arm@kernel.org, Arnd Bergmann , Peter Boonstoppel , Peter Zijlstra , Paul Turner , Ingo Molnar Subject: [PATCH 06/12] sched: warnings in kernel/sched/fair.c Date: Fri, 28 Sep 2012 23:36:11 +0200 Message-Id: <1348868177-21205-7-git-send-email-arnd@arndb.de> X-Mailer: git-send-email 1.7.10 In-Reply-To: <1348868177-21205-1-git-send-email-arnd@arndb.de> References: <1348868177-21205-1-git-send-email-arnd@arndb.de> X-Provags-ID: V02:K0:BHKeKtOq4R3m/22RztqFL5Qg5W/R+pEO7G8qS2DgudS Lnd1uO35N8Hnb0vHSdoj6RSaqS1x6OHYy6pq3EuqLKVzLMPdhC K59mmJWuww1Hi19Cb1B16IUMO/cwKyDz9Yecpz9i1wgd2cl2gG DPgz1OMu8SLtv5pwmOQqL8+vggt2drD7zhuyoK+UFZ2OA8xBtp mY9xRxxZQrqT3ZFmkBhVSomcgIlr/MfSTTOPHAX18s4WC2jXMS N3OPd9gdBuWz1yi5Z5EjsY8ZcRv+nqjlKP5qJgSHK0qxC/7d8H EtY9lYmESCvn5F1btxlgRnafo2g3HBCDf0BUA4wuMgs/y7EIs1 24MT81d7M5Y7zF2NAtCel8T7VUUl1veMH3bA96kZTuIViGOhsU AjFISerASYjbA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org a4c96ae319 "sched: Unthrottle rt runqueues in __disable_runtime()" turned the unthrottle_offline_cfs_rqs function into a static symbol, which now triggers a warning about it being potentially unused: kernel/sched/fair.c:2055:13: warning: 'unthrottle_offline_cfs_rqs' defined but not used [-Wunused-function] Marking it __maybe_unused shuts up the gcc warning and lets the compiler safely drop the function body when it's not being used. To reproduce, build the ARM bcm2835_defconfig. Signed-off-by: Arnd Bergmann Cc: Peter Boonstoppel Cc: Peter Zijlstra Cc: Paul Turner Cc: Ingo Molnar --- kernel/sched/fair.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 6b800a1..9f52728 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2052,7 +2052,7 @@ static void destroy_cfs_bandwidth(struct cfs_bandwidth *cfs_b) hrtimer_cancel(&cfs_b->slack_timer); } -static void unthrottle_offline_cfs_rqs(struct rq *rq) +static void __maybe_unused unthrottle_offline_cfs_rqs(struct rq *rq) { struct cfs_rq *cfs_rq; -- 1.7.10