On Wed, Nov 02, 2022 at 10:14:34AM +0100, David Hildenbrand wrote: > RDMA (due to FOLL_FORCE) would now fail (instead of doing something wrong) > on MAP_PRIVATE hugetlb mappings that are R/O. Do we have any actual examples > of such RDMA usage? I was able to understand why this case (MAP_PRIVATE, > PROT_READ) is important for !hugetlb, but I don't immediately see under > which situations this would apply to hugetlb. It may be that every one is already using MAP_SHARED for hugetlb, which would make it fine.. Jason