linux-kernel - Re: [PATCH 2/2] RT: Cache cpus_allowed weight for optimizing migration

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Date:	Fri, 26 Oct 2007 12:30:37 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Gregory Haskins <ghaskins@...ell.com>
cc:	linux-rt-users@...r.kernel.org, linux-kernel@...r.kernel.org,
	Dmitry Adamushko <dmitry.adamushko@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>, Darren Hart <dvhltc@...ibm.com>
Subject: Re: [PATCH 2/2] RT: Cache cpus_allowed weight for optimizing migration


I forgot to tell you this the last time. You need to add:

---
 include/linux/init_task.h |    1 +
 1 file changed, 1 insertion(+)

Index: linux-2.6.23-rt3/include/linux/init_task.h
===================================================================
--- linux-2.6.23-rt3.orig/include/linux/init_task.h
+++ linux-2.6.23-rt3/include/linux/init_task.h
@@ -142,6 +142,7 @@ extern struct group_info init_groups;
 	.policy		= SCHED_NORMAL,					\
 	INIT_RCU_BOOST_PRIO						\
 	.cpus_allowed	= CPU_MASK_ALL,					\
+	.nr_cpus_allowed = NR_CPUS,					\
 	.mm		= NULL,						\
 	.active_mm	= &init_mm,					\
 	.run_list	= LIST_HEAD_INIT(tsk.run_list),			\

-- Steve

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