On Wed, Apr 18, 2018 at 01:26:35PM -0700, Mike Kravetz wrote: > If an application would want to take advantage of this flag for tmpfs, it > needs to map at a fixed address (MAP_FIXED) for huge page alignment. So, > it will need to do one of the 'mmap tricks' to get a mapping at a suitably > aligned address. We don't need MAP_FIXED. We already have all required magic in shmem_get_unmapped_area(). -- Kirill A. Shutemov