* Miguel Botón <[email protected]> wrote:
> I patched kernel 2.6.21.5 with CFS v17 and I didn't experience this
> problem (I checked that piece of code and I didn't see something
> wrong). Looks like it only appears in kernel 2.6.22-rc4.
yeah - it affected the .22 patches, the .21 and .20 patches compiled and
worked under !CONFIG_SMP too. I updated the .22 patches with the fix
below.
Ingo
-------------->
Index: linux-cfs-2.6.22-rc4.q/kernel/sched.c
===================================================================
--- linux-cfs-2.6.22-rc4.q.orig/kernel/sched.c
+++ linux-cfs-2.6.22-rc4.q/kernel/sched.c
@@ -248,6 +249,15 @@ static unsigned int static_prio_timeslic
return SCALE_PRIO(DEF_TIMESLICE, static_prio);
}
+static inline int cpu_of(struct rq *rq)
+{
+#ifdef CONFIG_SMP
+ return rq->cpu;
+#else
+ return 0;
+#endif
+}
+
#ifdef CONFIG_SMP
/*
* Divide a load by a sched group cpu_power : (load / sg->__cpu_power)
@@ -258,15 +268,6 @@ static inline u32 sg_div_cpu_power(const
return reciprocal_divide(load, sg->reciprocal_cpu_power);
}
-static inline int cpu_of(struct rq *rq)
-{
-#ifdef CONFIG_SMP
- return rq->cpu;
-#else
- return 0;
-#endif
-}
-
/*
* Each time a sched group cpu_power is changed,
* we must compute its reciprocal value
-
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