On Mon, Sep 21, 2020 at 08:17:08PM +0200, Christoph Hellwig wrote:
> On Mon, Sep 21, 2020 at 10:42:56AM -0700, Minchan Kim wrote:
> > IIRC, the problem was runtime pte popluating needs GFP_KERNEL but
> > zs_map_object API runs under non-preemtible section.
>
> Make sense
On Fri, Sep 18, 2020 at 06:37:19PM +0200, Christoph Hellwig wrote:
> There is no obvious reason why zsmalloc needs to pre-fault the PTEs
> given that it later uses map_kernel_range to just like vmap().
IIRC, the problem was runtime pte popluating needs GFP_KERNEL but
zs_map_object API runs under n
Hi Vlastimil,
On Thu, Aug 24, 2017 at 10:00:49AM +0200, Vlastimil Babka wrote:
> On 08/24/2017 07:11 AM, Minchan Kim wrote:
> > Hello Chris,
> >
> > On Tue, Aug 22, 2017 at 02:53:24PM +0100, Chris Wilson wrote:
> >> Some shrinkers may only be able to free a b
that we
> try harder and harder in future passes.
>
> v2: Andrew's shrinkctl->nr_scanned
>
> Signed-off-by: Chris Wilson
> Cc: Andrew Morton
> Cc: Michal Hocko
> Cc: Johannes Weiner
> Cc: Hillf Danton
> Cc: Minchan Kim
> Cc: Vlastimil Babka
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
> > &g
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 pi
