From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Paul Turner <pjt@google.com>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>
Subject: Re: [patch 1/3] sched: use jump labels to reduce overhead when bandwidth control is inactive
Date: Tue, 08 Nov 2011 10:26:18 +0100 [thread overview]
Message-ID: <1320744378.2244.5.camel@twins> (raw)
In-Reply-To: <20111108042736.560831357@google.com>
On Mon, 2011-11-07 at 20:26 -0800, Paul Turner wrote:
> +static void account_cfs_bandwidth_used(int enabled, int was_enabled)
> +{
> + /* only need to count groups transitioning between enabled/!enabled */
> + if (enabled && !was_enabled)
> + jump_label_inc(&__cfs_bandwidth_used);
> + else if (!enabled && was_enabled)
> + jump_label_dec(&__cfs_bandwidth_used);
> +}
Can't you use jump_label_enabled(&__cfs_bandwidth_used) to was_enabled ?
next prev parent reply other threads:[~2011-11-08 9:26 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-08 4:26 [patch 0/3] sched: bandwidth-control tweaks for v3.2 Paul Turner
2011-11-08 4:26 ` [patch 1/3] sched: use jump labels to reduce overhead when bandwidth control is inactive Paul Turner
2011-11-08 9:26 ` Peter Zijlstra [this message]
2011-11-08 9:28 ` Peter Zijlstra
2011-11-08 9:29 ` Peter Zijlstra
2011-11-11 4:23 ` Paul Turner
2011-11-18 23:42 ` [tip:sched/core] sched: Use " tip-bot for Paul Turner
2011-11-08 4:26 ` [patch 2/3] sched: fix buglet in return_cfs_rq_runtime() Paul Turner
2011-11-18 23:41 ` [tip:sched/core] sched: Fix " tip-bot for Paul Turner
2011-11-08 4:26 ` [patch 3/3] From: Ben Segall <bsegall@google.com> Paul Turner
2011-11-10 2:28 ` Paul Turner
2011-11-10 2:30 ` Paul Turner
2011-11-14 10:03 ` Kamalesh Babulal
2011-11-14 12:01 ` Peter Zijlstra
2011-11-15 21:14 ` Benjamin Segall
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