linux-kernel - [PATCH v3 7/8] sched/fair: Remove ifdefs in waker_affine_idler

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Message-Id: <20210513074027.543926-8-srikar@linux.vnet.ibm.com>
Date:   Thu, 13 May 2021 13:10:26 +0530
From:   Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
To:     Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Mel Gorman <mgorman@...hsingularity.net>,
        Rik van Riel <riel@...riel.com>,
        Srikar Dronamraju <srikar@...ux.vnet.ibm.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Valentin Schneider <valentin.schneider@....com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Gautham R Shenoy <ego@...ux.vnet.ibm.com>,
        Parth Shah <parth@...ux.ibm.com>,
        Aubrey Li <aubrey.li@...ux.intel.com>
Subject: [PATCH v3 7/8] sched/fair: Remove ifdefs in waker_affine_idler_llc

Now that idle callbacks are updating nr_busy_cpus, remove ifdefs in
wake_affine_idler_llc

Cc: LKML <linux-kernel@...r.kernel.org>
Cc: Gautham R Shenoy <ego@...ux.vnet.ibm.com>
Cc: Parth Shah <parth@...ux.ibm.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Valentin Schneider <valentin.schneider@....com>
Cc: Dietmar Eggemann <dietmar.eggemann@....com>
Cc: Mel Gorman <mgorman@...hsingularity.net>
Cc: Vincent Guittot <vincent.guittot@...aro.org>
Cc: Rik van Riel <riel@...riel.com>
Cc: Aubrey Li <aubrey.li@...ux.intel.com>
Signed-off-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
---
 kernel/sched/fair.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 8f86359efdbd..1ca05176ad18 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -5896,9 +5896,7 @@ static inline bool test_reset_idle_core(struct sched_domain_shared *sds, int val
 
 static int wake_affine_idler_llc(struct task_struct *p, int pref_cpu, int try_cpu, int sync)
 {
-#ifdef CONFIG_NO_HZ_COMMON
 	int tnr_busy, tllc_size, pnr_busy, pllc_size;
-#endif
 	struct sched_domain_shared *pref_sds, *try_sds;
 	int diff, idle_core;
 
@@ -5926,7 +5924,6 @@ static int wake_affine_idler_llc(struct task_struct *p, int pref_cpu, int try_cp
 				test_reset_idle_core(try_sds, idle_core))
 		return idle_core;
 
-#ifdef CONFIG_NO_HZ_COMMON
 	pnr_busy = atomic_read(&pref_sds->nr_busy_cpus);
 	tnr_busy = atomic_read(&try_sds->nr_busy_cpus);
 	pllc_size = per_cpu(sd_llc_size, pref_cpu);
@@ -5940,7 +5937,6 @@ static int wake_affine_idler_llc(struct task_struct *p, int pref_cpu, int try_cp
 		return pref_cpu;
 	if (diff < 0)
 		return try_cpu;
-#endif /* CONFIG_NO_HZ_COMMON */
 
 	return nr_cpumask_bits;
 }
-- 
2.18.2