| Date | Tue, 12 Jul 2016 14:43:36 -0400 | From | Johannes Weiner <> | Subject | Re: [PATCH 30/34] mm: page_alloc: cache the last node whose dirty limit is reached |
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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 <mgorman@techsingularity.net> > Acked-by: Vlastimil Babka <vbabka@suse.cz>
I guess...
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
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