On Fri, Jul 08, 2016 at 10:35:06AM +0100, Mel Gorman wrote: > If a page is about to be dirtied then the page allocator attempts to limit > the total number of dirty pages that exists in any given zone. The call > to node_dirty_ok is expensive so this patch records if the last pgdat > examined hit the dirty limits. In some cases, this reduces the number of > calls to node_dirty_ok(). > > Signed-off-by: Mel Gorman <[email protected]> > Acked-by: Vlastimil Babka <[email protected]>
I guess... Acked-by: Johannes Weiner <[email protected]>

