Messages in this thread | | | Date | Tue, 31 Aug 2010 10:10:17 +0900 | Subject | Re: [PATCH] vmscan: prevent background aging of anon page in no swap system | From | Minchan Kim <> |
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Hi, KOSAKI.
On Tue, Aug 31, 2010 at 9:56 AM, KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> wrote: >> diff --git a/mm/vmscan.c b/mm/vmscan.c >> index 1b145e6..0b8a3ce 100644 >> --- a/mm/vmscan.c >> +++ b/mm/vmscan.c >> @@ -1747,7 +1747,7 @@ 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) && nr_swap_pages > 0) >> + if (nr_swap_pges > 0 && inactive_anon_is_low(zone, sc)) > > Sorry, I don't find any difference. What is your intention? >
My intention is that smart gcc can compile out inactive_anon_is_low call in case of non swap configurable system.
-- Kind regards, Minchan Kim -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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