Messages in this thread | | | Date | Thu, 14 May 2009 11:25:04 -0400 | From | Rik van Riel <> | Subject | Re: [PATCH] mmtom: Prevent shrinking of active anon lru list in case of no swap space V3 |
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MinChan Kim wrote:
> This patch prevents unnecessary deactivation of anon lru pages. > But, it don't prevent aging of anon pages to swap out.
> --- a/mm/vmscan.c > +++ b/mm/vmscan.c > @@ -1577,7 +1577,7 @@ static void shrink_zone(int priority, struct zone *zone, > * Even if we did not try to evict anon pages at all, we want to > * rebalance the anon lru active/inactive ratio. > */ > - if (inactive_anon_is_low(zone, sc)) > + if (inactive_anon_is_low(zone, sc) && nr_swap_pages > 0) > shrink_active_list(SWAP_CLUSTER_MAX, zone, sc, priority, 0); > > throttle_vm_writeout(sc->gfp_mask);
Acked-by: Rik van Riel <riel@redhat.com>
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