Messages in this thread | | | Date | Mon, 19 Jul 2010 14:59:36 -0400 | From | Rik van Riel <> | Subject | Re: [PATCH 8/8] vmscan: Kick flusher threads to clean pages when reclaim is encountering dirty pages |
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On 07/19/2010 09:11 AM, Mel Gorman wrote: > There are a number of cases where pages get cleaned but two of concern > to this patch are; > o When dirtying pages, processes may be throttled to clean pages if > dirty_ratio is not met. > o Pages belonging to inodes dirtied longer than > dirty_writeback_centisecs get cleaned. > > The problem for reclaim is that dirty pages can reach the end of the LRU > if pages are being dirtied slowly so that neither the throttling cleans > them or a flusher thread waking periodically.
I can't see a better way to do this without creating a way-too-big-to-merge patch series, and this patch should result in the right behaviour, so ...
Acked-by: Rik van Riel <riel@redhat.com>
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