From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: [PATCH cgroup/for-4.12] cgroup: mark cgroup_get() with __maybe_unused Date: Mon, 1 May 2017 15:41:32 -0400 Message-ID: <20170501194132.GF8921@htj.duckdns.org> References: <20170501145340.17e8ef86@canb.auug.org.au> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=wGPZ/dyvg2U0Ut+5mALy0DmcPv66BKyyePVsH69U678=; b=pKGAPKToEN/kozrMUGUoBKe7kimHiQitcavmDGNh0FhFEBb5N41LDGf6sAHc6Xq6Z9 zscR8ZHlFz8ZArDk2hYKetvpGu8X8In8p7gwJ60grlS47Adi2A/XTKg6eTIHtztz7io0 KFXZTF3gL3S09+nv/dyN88JNZiUFQtJLAJ7mfU5x/FGRHd8Ru1en/0tzqrN+Hd8kG7lr 6tZvobyYlf0VVYYX2JijOLUhfHRpawLhdKwRN6EYT7DQ+IFwHKD+I4zkzYlYboseLMO4 jOa4+Wt4X9NzPedRfpSpVLnCocFdsmVT2bfJjW0kLvBS674AoTz90Rc4QIczKXlumtSa yDjQ== Content-Disposition: inline In-Reply-To: <20170501145340.17e8ef86@canb.auug.org.au> Sender: linux-next-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Stephen Rothwell Cc: Linux-Next Mailing List , Linux Kernel Mailing List , Li Zefan , Johannes Weiner , cgroups@vger.kernel.org >From 310b4816a5d8082416b4ab83e5a7b3cb92883a4d Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 1 May 2017 15:24:14 -0400 a590b90d472f ("cgroup: fix spurious warnings on cgroup_is_dead() from cgroup_sk_alloc()") converted most cgroup_get() usages to cgroup_get_live() leaving cgroup_sk_alloc() the sole user of cgroup_get(). When !CONFIG_SOCK_CGROUP_DATA, this ends up triggering unused warning for cgroup_get(). Silence the warning by adding __maybe_unused to cgroup_get(). Reported-by: Stephen Rothwell Link: http://lkml.kernel.org/r/20170501145340.17e8ef86@canb.auug.org.au Signed-off-by: Tejun Heo --- Applied to cgroup/for-4.12. Thanks! kernel/cgroup/cgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 38d9386..f2bcc11 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -436,7 +436,7 @@ struct cgroup_subsys_state *cgroup_get_e_css(struct cgroup *cgrp, return css; } -static void cgroup_get(struct cgroup *cgrp) +static void __maybe_unused cgroup_get(struct cgroup *cgrp) { css_get(&cgrp->self); } -- 2.9.3