On Thu, Feb 18, 2021 at 06:06:29PM -0500, Peter Xu wrote: > v4: > - fix build for sparc by removing extra line in patch 1 [Mike] > - pick Mike's r-b for patch 4 > > v3: > - patch 4: > - fix build failure for !CMA and/or !HUGETLBFS [Axel] > - Fix mmu notifier range to use start/end [Mike] > - add more r-bs > > v2: > - patch 4: move hugetlb_unshare_all_pmds() into mm/hugetlb.c, so it can be used > even outside userfaultfd.c > > This series tries to disable huge pmd unshare of hugetlbfs backed memory for > uffd-wp. Although uffd-wp of hugetlbfs is still during rfc stage, the idea of > this series may be needed for multiple tasks (Axel's uffd minor fault series, > and Mike's soft dirty series), so I picked it out from the larger series. > > References works: > > Uffd shmem+hugetlbfs rfc: > https://lore.kernel.org/lkml/20210115170907.24498-1-peterx@xxxxxxxxxx/ > > Uffd minor mode for hugetlbfs: > https://lore.kernel.org/lkml/20210212215403.3457686-1-axelrasmussen@xxxxxxxxxx/ > > Soft dirty for hugetlbfs: > https://lore.kernel.org/lkml/20210211000322.159437-1-mike.kravetz@xxxxxxxxxx/ Andrew/Mike, Do you have any further comment on this series? Thanks, -- Peter Xu
