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>
