[PATCH v2 0/2] mm/userfaultfd: fix and cleanup for migration entries with uffd-wp

From: David Hildenbrand
Date: Wed Apr 05 2023 - 12:03:35 EST


One fix and one cleanup.

uffd-wp migration entry handling for PTE/PMDs should now be fairly similar
code-wise.

v1 -> v2:
- Add RB's
- "mm/userfaultfd: fix uffd-wp handling for THP migration entries"
-> pmd_swp_uffd_wp(*pvmw->pmd) -> pmd_uffd_wp(pmdval)

Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Xu <peterx@xxxxxxxxxx>
Cc: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>

David Hildenbrand (2):
mm/userfaultfd: fix uffd-wp handling for THP migration entries
mm/userfaultfd: don't consider uffd-wp bit of writable migration
entries

mm/huge_memory.c | 16 ++++++++++++----
mm/mprotect.c | 2 --
2 files changed, 12 insertions(+), 6 deletions(-)

--
2.39.2