linux-kernel - Re: [patch/backport] CFS scheduler, -v24, for v2.6.24-rc3, v2.6.23.8,v2.6.22.13, v2.6.21.7

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Message-ID: <20071120061302.GH20436@elte.hu>
Date:	Tue, 20 Nov 2007 07:13:02 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	David <david@...ux.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [patch/backport] CFS scheduler, -v24, for v2.6.24-rc3,
	v2.6.23.8,v2.6.22.13, v2.6.21.7


* David <david@...ux.com> wrote:

> El Lunes, 19 de Noviembre de 2007, Ingo Molnar escribió:
> > * David <david@...ux.com> wrote:
> > > I have removed all other patches, and applied only cfs v24 above
> > > 2.6.23.8, and the compiler ran into (with CONFIG_FAIR_GROUP_SCHED
> > > enabled):
> >
> > does the patch below help?
> >
> > 	Ingo
> 
> Yes, now sched.c compile without errors, but linking fails at:
> 
> 
>   LD      init/built-in.o
>   LD      .tmp_vmlinux1
> kernel/built-in.o:(.data+0x4a8): undefined reference to `sysctl_sched_min_bal_int_shares'
> kernel/built-in.o:(.data+0x4d4): undefined reference to `sysctl_sched_max_bal_int_shares'
> make: *** [.tmp_vmlinux1] Error 1

does the patch below do the trick?

	Ingo

Index: linux/kernel/sysctl.c
===================================================================
--- linux.orig/kernel/sysctl.c
+++ linux/kernel/sysctl.c
@@ -309,7 +309,7 @@ static struct ctl_table kern_table[] = {
 		.mode		= 644,
 		.proc_handler	= &proc_dointvec,
 	},
-#ifdef CONFIG_FAIR_GROUP_SCHED
+#if defined(CONFIG_FAIR_GROUP_SCHED) && defined(CONFIG_SMP)
 	{
 		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "sched_min_bal_int_shares",
-
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