On Mon, Apr 27, 2026 at 12:45:50PM +0100, Kiryl Shutsemau (Meta) wrote: > The uffd-wp PTE bit is about to gain a second consumer: userfaultfd > RWP will use the same bit to mark access-tracking PTEs, distinct > from mprotect(PROT_NONE) or NUMA-hinting PTEs. WP vs RWP semantics > come from the VMA flag; the bit is just "uffd has claimed this > entry." Drop the "_wp" suffix from the arch-private bit macros so > they reflect that. > > x86: _PAGE_BIT_UFFD_WP -> _PAGE_BIT_UFFD > _PAGE_UFFD_WP -> _PAGE_UFFD > _PAGE_SWP_UFFD_WP -> _PAGE_SWP_UFFD > arm64: PTE_UFFD_WP -> PTE_UFFD > PTE_SWP_UFFD_WP -> PTE_SWP_UFFD > riscv: _PAGE_UFFD_WP -> _PAGE_UFFD > _PAGE_SWP_UFFD_WP -> _PAGE_SWP_UFFD > > Pure mechanical rename — no behavior change. > > Signed-off-by: Kiryl Shutsemau <[email protected]> > Assisted-by: Claude:claude-opus-4-6
Reviewed-by: Mike Rapoport (Microsoft) <[email protected]> > --- > arch/arm64/include/asm/pgtable-prot.h | 8 ++++---- > arch/arm64/include/asm/pgtable.h | 12 ++++++------ > arch/riscv/include/asm/pgtable-bits.h | 12 ++++++------ > arch/riscv/include/asm/pgtable.h | 14 +++++++------- > arch/x86/include/asm/pgtable.h | 24 ++++++++++++------------ > arch/x86/include/asm/pgtable_types.h | 16 ++++++++-------- > 6 files changed, 43 insertions(+), 43 deletions(-) -- Sincerely yours, Mike.
