Re: [PATCH 3/6] powerpc/vmemmap: Add altmap support

2017-05-23 Thread Balbir Singh
On Tue, May 23, 2017 at 2:05 PM, Oliver O'Halloran wrote: > Adds support to powerpc for the altmap feature of ZONE_DEVICE memory. An > altmap is a driver provided region that is used to provide the backing > storage for the struct pages of ZONE_DEVICE memory. In situations where

[PATCH 3/6] powerpc/vmemmap: Add altmap support

2017-05-22 Thread Oliver O'Halloran
Adds support to powerpc for the altmap feature of ZONE_DEVICE memory. An altmap is a driver provided region that is used to provide the backing storage for the struct pages of ZONE_DEVICE memory. In situations where large amount of ZONE_DEVICE memory is being added to the system the altmap reduces