Hey Rik, On Tue, May 14, 2013 at 01:32:33PM -0400, Rik van Riel wrote: > On 05/12/2013 10:10 PM, Minchan Kim wrote: > >Normally, file I/O for reclaiming is asynchronous so that > >when page writeback is completed, reclaimed page will be > >rotated into LRU tail for fast reclaiming in next turn. > >But it makes unnecessary CPU overhead and more iteration with higher > >priority of reclaim could reclaim too many pages than needed > >pages. > > > >This patch frees reclaimed pages by paging out instantly without > >rotating back them into LRU's tail when the I/O is completed so > >that we can get out of reclaim loop as soon as poosbile and avoid > >unnecessary CPU overhead for moving them. > > > >Signed-off-by: Minchan Kim <minc...@kernel.org> > > I like this approach and am looking forward to your v2 series, > with the reworked patch 3/4.
I will do it after I finish more urgent works. :) I am looking forward to seeing your review, then. Thanks for the interest. -- Kind regards, Minchan Kim -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
