Message ID | 1306144435-2516-2-git-send-email-mgorman@suse.de |
---|---|
State | Not Applicable, archived |
Headers | show |
On Mon, May 23, 2011 at 6:53 PM, Mel Gorman <mgorman@suse.de> wrote: > From: Johannes Weiner <hannes@cmpxchg.org> > > Johannes Weiner poined out that the logic in commit [1741c877: mm: > kswapd: keep kswapd awake for high-order allocations until a percentage > of the node is balanced] is backwards. Instead of allowing kswapd to go > to sleep when balancing for high order allocations, it keeps it kswapd > running uselessly. > > Signed-off-by: Mel Gorman <mgorman@suse.de> > Reviewed-by: Rik van Riel <riel@redhat.com> Reviewed-by: Minchan Kim <minchan.kim@gmail.com>
diff --git a/mm/vmscan.c b/mm/vmscan.c index 8bfd450..1aa262b 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2286,7 +2286,7 @@ static bool sleeping_prematurely(pg_data_t *pgdat, int order, long remaining, * must be balanced */ if (order) - return pgdat_balanced(pgdat, balanced, classzone_idx); + return !pgdat_balanced(pgdat, balanced, classzone_idx); else return !all_zones_ok; }