On Tue, Jun 28, 2022 at 09:03:02PM +0000, Nadav Amit wrote: > > Both shmem & hugetlb support private mappings for all three modes, afaict. > > Sorry, let me more clear. I meant private (!VM_SHARED) file-backed memory. I normally use "file-backed" to stand for "shmem + hugetlb" in any uffd context. If you meant anything outside shmem/hugetlb for uffd (e.g. on xfs), then we never support them anyway, do we? Hmm.. What am I ultimately missing? -- Peter Xu
