From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754377Ab3AYWtA (ORCPT ); Fri, 25 Jan 2013 17:49:00 -0500 Received: from moutng.kundenserver.de ([212.227.126.186]:53554 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753204Ab3AYWpy (ORCPT ); Fri, 25 Jan 2013 17:45:54 -0500 From: Arnd Bergmann To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, Arnd Bergmann , Peter Boonstoppel , Peter Zijlstra , Paul Turner , Ingo Molnar Subject: [PATCH 05/19] sched: warnings in kernel/sched/fair.c Date: Fri, 25 Jan 2013 22:44:04 +0000 Message-Id: <1359153858-31992-6-git-send-email-arnd@arndb.de> X-Mailer: git-send-email 1.8.0 In-Reply-To: <1359153858-31992-1-git-send-email-arnd@arndb.de> References: <1359123276-15833-1-git-send-email-arnd@arndb.de> <1359153858-31992-1-git-send-email-arnd@arndb.de> X-Provags-ID: V02:K0:go0GOMwo9b3fFYpXb4A8LCCFCpr0TkNwYvvcAlzjzqM AGzEVqb1Gts3QuTbqdmedknmRn36BXSCf6pYI95wDwyf8JnXdm YB+vX/pekA4rS6NnbM/ArjPSJfFFKl1vx2IIjKbg8h8hogfUVL 5tcHeYoKFu/r/KVHgemF0sMGFP9JmMwk/okP6t/wJ9sUCs3ty2 DfwF+wwiuxaUGSow45khWbFN/1LrWc1b7AHrmetwetOr5dq1yd MGXoJJoBD8ytVrbxX8u5w+lAHgGibCwC8J/iRFIbZCmiOfHc/g IedaQpnlDgOaZ+4tOAFbXYxwZi92EWsEpEowo9jvrx95WcvbPs 80ihRFfh934tNW3y/Gak4URqnc4tN/SljyJW53vp1 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 5eea870..81fa536 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -2663,7 +2663,7 @@ 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; -- 1.8.0