linux-kernel - [PATCH RT] - trivial branch in scheduler.

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Message-Id: <1187943548.16573.10.camel@sx.thebigcorporation.com>
Date:	Fri, 24 Aug 2007 01:19:08 -0700
From:	Sven-Thorsten Dietrich <sven@...bigcorporation.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	RT Users List <linux-rt-users@...r.kernel.org>,
	LKML <Linux-kernel@...r.kernel.org>,
	Peter Williams <pwil3058@...pond.net.au>
Subject: [PATCH RT] - trivial branch in scheduler.


Hi Ingo,

the trivial code is in various RT patches as well as in 2.6.23-rc git's
scheduler.

Thanks

Sven

Remove trivial conditional branch in Linux RT CFS 
scheduler's can_migrate_task function.

signed-off-by: Sven-Thorsten Dietrich <sven@...bigcorporation.com>

Index: linux-2.6.22/kernel/sched.c
===================================================================
--- linux-2.6.22.orig/kernel/sched.c
+++ linux-2.6.22/kernel/sched.c
@@ -2603,12 +2603,6 @@ int can_migrate_task(struct task_struct 
 	if (task_running(rq, p))
 		return 0;
 
-	/*
-	 * Aggressive migration if too many balance attempts have failed:
-	 */
-	if (sd->nr_balance_failed > sd->cache_nice_tries)
-		return 1;
-
 	return 1;
 }
 

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