Re: [RFC 4/4] mm: free reclaimed pages instantly without dependingnext reclaim

[Minchan Kim]

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 <minchan@xxxxxxxxxx>
> 
> 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 majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/