On Mon, Jul 04, 2016 at 05:34:05AM +0100, Mel Gorman wrote:
> On Mon, Jul 04, 2016 at 10:37:03AM +0900, Minchan Kim wrote:
> > > The reason we have zone-based reclaim is that we used to have
> > > large highmem zones in common configurations and it was necessary
> > > to quickly find ZONE_NORMAL pa
On Mon, Jul 04, 2016 at 10:55:09AM +0100, Mel Gorman wrote:
> On Mon, Jul 04, 2016 at 05:04:12PM +0900, Minchan Kim wrote:
> > > > How big ratio between highmem:lowmem do you think a problem?
> > > >
> > >
> > > That's a "how long is a piece of string" type question. The ratio does
> > > not mat
On Mon, Jul 04, 2016 at 05:04:12PM +0900, Minchan Kim wrote:
> > > How big ratio between highmem:lowmem do you think a problem?
> > >
> >
> > That's a "how long is a piece of string" type question. The ratio does
> > not matter as much as whether the workload is both under memory pressure
> > an