Peter Watkins wrote: > Hello, > > There are a number of changes required to support larger page sizes, but > this one I thought worth sending up right away. > > The code in pgtable-64.h assumes TASK_SIZE is always bigger than a first > level PGDIR_SIZE. This is not the case for 64K pages, where task size is > 40 bits (1TB) and a pgd entry can map 42 bits. This leads to > USER_PTRS_PER_PGD being zero for 64K pages. > > If there is interest in other changes for 64K pages, I can send more. Please do so. :-) Thiemo
