Re: [mm PATCH v2 4/6] mm: Do not set reserved flag for hotplug memory

2018-10-11 Thread Alexander Duyck
On 10/11/2018 3:58 PM, Dan Williams wrote: On Thu, Oct 11, 2018 at 3:18 PM Alexander Duyck wrote: The general suspicion at this point is that the setting of the reserved bit is not really needed for hotplug memory. In addition the setting of this bit results in issues for DAX in that it is not

Re: [mm PATCH v2 4/6] mm: Do not set reserved flag for hotplug memory

2018-10-11 Thread Dan Williams
On Thu, Oct 11, 2018 at 3:18 PM Alexander Duyck wrote: > > The general suspicion at this point is that the setting of the reserved bit > is not really needed for hotplug memory. In addition the setting of this > bit results in issues for DAX in that it is not possible to assign the > region to KVM

[mm PATCH v2 4/6] mm: Do not set reserved flag for hotplug memory

2018-10-11 Thread Alexander Duyck
The general suspicion at this point is that the setting of the reserved bit is not really needed for hotplug memory. In addition the setting of this bit results in issues for DAX in that it is not possible to assign the region to KVM if the reserved bit is set in each page. For now we can try just