On Thu, Dec 06, 2018 at 11:51:33AM +0000, Catalin Marinas wrote: > On Wed, Dec 05, 2018 at 04:41:45PM +0000, Steve Capper wrote: > > On arm64 52-bit VAs are provided to userspace when a hint is supplied to > > mmap. This helps maintain compatibility with software that expects at > > most 48-bit VAs to be returned. > > > > In order to help identify software that has 48-bit VA assumptions, this > > patch allows one to compile a kernel where 52-bit VAs are returned by > > default on HW that supports it. > > > > This feature is intended to be for development systems only. > > > > Signed-off-by: Steve Capper <steve.capper@xxxxxxx> > > Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx> Thanks Catalin.