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SubjectRe: NUMA node swapping V3

> if (pg == orig) {
> z->pageset[cpu].numa_hit++;
>+ /*
>+ * If zone allocation has left less than
>+ * (sysctl_node_swap / 10) % of the zone free invoke kswapd.
>+ * (the page limit is obtained through (pages*limit)/1024 to
>+ * make the calculation more efficient)
>+ */
>+ if (z->free_pages < (z->present_pages * sysctl_node_swap) << 10)
>+ wakeup_kswapd(z);
> } else {
> p->numa_miss++;
> zonelist->zones[0]->pageset[cpu].numa_foreign++;
>Index: linux-2.6.9/kernel/sysctl.c
>===================================================================
>
>

I think you mean >> 10 though.

--Mika


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