On 07/19/2010 09:11 AM, Mel Gorman wrote:
quoted text
> 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>

--
unsubscribe notice
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/