Re: [patch] CFS scheduler, -v18

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On 7/2/07, Ingo Molnar <[email protected]> wrote:
thx. As an initial matter, could you double-check whether your v18
kernel source has the patch below applied already?

        Ingo

Index: linux/kernel/sched_fair.c
===================================================================
--- linux.orig/kernel/sched_fair.c
+++ linux/kernel/sched_fair.c
@@ -342,8 +342,9 @@ update_stats_enqueue(struct cfs_rq *cfs_
                s64 tmp;

                if (se->wait_runtime < 0) {
-                       tmp = (0 - se->wait_runtime) << NICE_0_SHIFT;
-                       key += (tmp * se->load.inv_weight) >> WMULT_SHIFT;
+                       tmp = -se->wait_runtime;
+                       key += (tmp * se->load.inv_weight) >>
+                                       (WMULT_SHIFT - NICE_0_SHIFT);
                } else {
                        tmp = se->wait_runtime * se->load.weight;
                        key -= tmp >> NICE_0_SHIFT;



It does.

Vegard
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