Re: [-next] memory hotplug regression

From	Michal Hocko <mhocko@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [-next] memory hotplug regression
Date	2017-06-01 09:20 +0200
Message-ID	<tNsyJ-7UU-9@gated-at.bofh.it> (permalink)
References	(4 earlier) <tMOBk-7lm-29@gated-at.bofh.it> <tMQtr-7f-15@gated-at.bofh.it> <tMQWu-wG-25@gated-at.bofh.it> <tN5iN-1a0-3@gated-at.bofh.it> <tNsfo-7wq-11@gated-at.bofh.it>
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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@de.ibm.com>

Thanks a lot for testing! I will post those patches for wider review
later today.

-- 
Michal Hocko
SUSE Labs

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Re: [-next] memory hotplug regression Heiko Carstens <heiko.carstens@de.ibm.com> - 2017-05-26 14:30 +0200
  Re: [-next] memory hotplug regression Michal Hocko <mhocko@kernel.org> - 2017-05-29 11:00 +0200
    Re: [-next] memory hotplug regression Heiko Carstens <heiko.carstens@de.ibm.com> - 2017-05-29 12:20 +0200
      Re: [-next] memory hotplug regression Michal Hocko <mhocko@kernel.org> - 2017-05-29 12:50 +0200
  Re: [-next] memory hotplug regression Michal Hocko <mhocko@kernel.org> - 2017-05-30 14:30 +0200
    Re: [-next] memory hotplug regression Heiko Carstens <heiko.carstens@de.ibm.com> - 2017-05-30 14:40 +0200
      Re: [-next] memory hotplug regression Michal Hocko <mhocko@kernel.org> - 2017-05-30 16:40 +0200
        Re: [-next] memory hotplug regression Michal Hocko <mhocko@kernel.org> - 2017-05-30 17:10 +0200
        Re: [-next] memory hotplug regression Heiko Carstens <heiko.carstens@de.ibm.com> - 2017-05-30 20:40 +0200
          Re: [-next] memory hotplug regression Michal Hocko <mhocko@kernel.org> - 2017-05-31 08:30 +0200
            Re: [-next] memory hotplug regression Heiko Carstens <heiko.carstens@de.ibm.com> - 2017-06-01 09:00 +0200
              Re: [-next] memory hotplug regression Michal Hocko <mhocko@kernel.org> - 2017-06-01 09:20 +0200

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