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Message-ID: <1349452668-8601-1-git-send-email-fabio.estevam@freescale.com> Date: Fri, 5 Oct 2012 12:57:48 -0300 From: Fabio Estevam <fabio.estevam@...escale.com> To: <akpm@...ux-foundation.org> CC: <mingo@...nel.org>, <arnd@...db.de>, <linux-kernel@...r.kernel.org>, <a.p.zijlstra@...llo.nl>, <festevam@...il.com>, Fabio Estevam <fabio.estevam@...escale.com> Subject: [PATCH] sysctl: Fix 'defined but not used' warning Since commit 4ae834f767(sched/numa: Implement NUMA home-node selection code) building a kernel with CONFIG_SMP disabled causes the following warning: kernel/sysctl.c:259:12: warning: 'min_sched_tunable_scaling' defined but not used [-Wunused-variable] kernel/sysctl.c:260:12: warning: 'max_sched_tunable_scaling' defined but not used [-Wunused-variable] Annotate theses variables as '__maybe_unused'. Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com> --- kernel/sysctl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/sysctl.c b/kernel/sysctl.c index af25d0c..4bf02e4 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -256,8 +256,8 @@ static int min_sched_granularity_ns = 100000; /* 100 usecs */ static int max_sched_granularity_ns = NSEC_PER_SEC; /* 1 second */ static int min_wakeup_granularity_ns; /* 0 usecs */ static int max_wakeup_granularity_ns = NSEC_PER_SEC; /* 1 second */ -static int min_sched_tunable_scaling = SCHED_TUNABLESCALING_NONE; -static int max_sched_tunable_scaling = SCHED_TUNABLESCALING_END-1; +static int __maybe_unused min_sched_tunable_scaling = SCHED_TUNABLESCALING_NONE; +static int __maybe_unused max_sched_tunable_scaling = SCHED_TUNABLESCALING_END-1; #endif #ifdef CONFIG_COMPACTION -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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