linux-kernel - Re: [patch/backport] CFS scheduler, -v22, for v2.6.23-rc8, v2.6.22.8, v2.6.21.7, v2.6.20.20

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Date:	Wed, 26 Sep 2007 16:33:22 +0300
From:	"S.Çağlar Onur" <caglar@...dus.org.tr>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [patch/backport] CFS scheduler, -v22, for v2.6.23-rc8, v2.6.22.8, v2.6.21.7, v2.6.20.20

26 Eyl 2007 Çar tarihinde, Ingo Molnar şunları yazmıştı: 
> By popular demand, here is release -v22 of the CFS scheduler. It is a
> full backport of the latest & greatest sched-devel.git code to
> v2.6.23-rc8, v2.6.22.8, v2.6.21.7 and v2.6.20.20. The patches can be
> downloaded from the usual place:
>
>     http://people.redhat.com/mingo/cfs-scheduler/
>
> This is the first time the development version of the scheduler has been
> fed back into the stable backport series, so there's many changes since
> v20.5:

Compilation [against 2.6.20.20] fails with

buildfarm linux-2.6.20 # make
  CHK     include/linux/version.h
  CHK     include/linux/utsrelease.h
  CHK     include/linux/compile.h
  CC      kernel/sched.o
In file included from kernel/sched.c:850:
kernel/sched_fair.c:49: error: sysctl_sched_nr_latency causes a section type 
conflict
make[1]: *** [kernel/sched.o] Error 1
make: *** [kernel] Error 2

@kernel/sched_fair.c
-const_debug unsigned int sysctl_sched_nr_latency __read_mostly = 20;
+const_debug unsigned int sysctl_sched_nr_latency = 20;

seems solve that issue but i'm not sure this is the right thing to do or 
not :)

Cheers
-- 
S.Çağlar Onur <caglar@...dus.org.tr>
http://cekirdek.pardus.org.tr/~caglar/

Linux is like living in a teepee. No Windows, no Gates and an Apache in house!
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