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

From: Ingo Molnar
Date: Mon Nov 19 2007 - 13:59:36 EST



* Fortier,Vincent [Montreal] <Vincent.Fortier1@xxxxxxxx> wrote:

> Hi Ingo,
>
> Thnx a lot for theses backports...
>
> Ran into this while compiling a 2.6.22.13 with CFS v24
>
> CC kernel/sched.o
> kernel/sched.c: In function 'cpu_to_core_group':
> kernel/sched.c:6056: error: 'per_cpu__cpu_sibling_map' undeclared (first

find below the current set of fixlets - it should fix the
cpu_sibling_map build error too. (or re-download the v24 patch again to
get the fixes)

Ingo

--- linux.orig/kernel/sysctl.c
+++ linux/kernel/sysctl.c
@@ -309,6 +309,7 @@ static struct ctl_table kern_table[] = {
.mode = 644,
.proc_handler = &proc_dointvec,
},
+#ifdef CONFIG_FAIR_GROUP_SCHED
{
.ctl_name = CTL_UNNUMBERED,
.procname = "sched_min_bal_int_shares",
@@ -326,6 +327,7 @@ static struct ctl_table kern_table[] = {
.proc_handler = &proc_dointvec,
},
#endif
+#endif
{
.ctl_name = CTL_UNNUMBERED,
.procname = "sched_compat_yield",
--- linux.orig/include/linux/sched.h
+++ linux/include/linux/sched.h
@@ -10,7 +10,7 @@
#define COMPAT_REGISTER_SYSCTL

/* backporting helper macro: */
-#define cpu_sibling_map(cpu) per_cpu(cpu_sibling_map, cpu)
+#define cpu_sibling_map(cpu) cpu_sibling_map[cpu]

/*
* cloning flags:
-
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