On Thu 01-06-17 08:49:54, Heiko Carstens wrote:
> On Wed, May 31, 2017 at 08:24:40AM +0200, Michal Hocko wrote:
> > > # cat /sys/devices/system/memory/memory16/valid_zones
> > > Normal Movable
> > > # echo online_movable > /sys/devices/system/memory/memory16/state
> > > # cat /sys/devices/system/memory/memory16/valid_zones
> > > Movable
> > > # cat /sys/devices/system/memory/memory18/valid_zones
> > > Movable
> > > # echo online > /sys/devices/system/memory/memory18/state
> > > # cat /sys/devices/system/memory/memory18/valid_zones
> > > Normal <--- should be Movable
> > > # cat /sys/devices/system/memory/memory17/valid_zones
> > > <--- no output
> >
> > OK, so this is an independent problem and an unrelated one to the
> > patch I've posted. We need two patches actually. Damn, I hate
> > MMOP_ONLINE_KEEP. I will send 2 patches as a reply to this email.
>
> Tested with your patches on top of linux-next as of yesterday, however
> starting at commit fa812e869a6fe7495a17150bb2639075081ef709 ("mm/zswap.c:
> delete an error message for a failed memory allocation in
> zswap_dstmem_prepare()"), since the "mm: per-lruvec slab stats" patch
> series breaks everything ;)
>
> Tested-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Thanks a lot for testing! I will post those patches for wider review
later today.
--
Michal Hocko
SUSE Labs
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