virtiofsd/DAX: Power doesn't like PROT_NONE
farosas says Power doesn't like PROT_NONE for the cache; so use PROT_READ both for initial and for unmap. Need to check it doesn't increase VM footprint.
farosas says Power doesn't like PROT_NONE for the cache; so use PROT_READ both for initial and for unmap. Need to check it doesn't increase VM footprint.