Re: [PATCH 2/2] mm: support MIGRATE_DISCARD

[Minchan Kim]

On Fri, Sep 07, 2012 at 10:32:03AM +0100, Mel Gorman wrote:
> On Fri, Sep 07, 2012 at 09:21:45AM +0100, Mel Gorman wrote:
> > 
> > So other than the mix up of order parameters I think this should work.
> > 
> 
> But I'd be wrong, isolated page accounting is not fixed up so it will
> eventually hang on too_many_isolated. It turns out it is necessary

Good spot.

> to pass in zone after all. The following patch passed a high order
> allocation stress test. To actually exercise the path I had compaction
> call reclaim_clean_pages_from_list() in a separate debugging patch.
> 
> Minchan, can you test your CMA allocation latency test with this patch?
> If the figures are satisfactory could you add them to the changelog and
> consider replacing the MIGRATE_DISCARD pair of patches with this version
> please?

Of course, I will do next week.
Thanks!

--
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/