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Commits on Sep 27, 2022

• mm/swap: cache swap migration A/D bits support

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• mm/swap: cache maximum swapfile size when init swap

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• mm: remember young/dirty bit for page migrations

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• mm/thp: carry over dirty bit when thp splits on pmd

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• mm/swap: add swp_offset_pfn() to fetch PFN from swap entry

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• mm/swap: comment all the ifdef in swapops.h

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• mm/x86: use SWP_TYPE_BITS in 3-level swap macros

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Commits on Aug 28, 2022

• mm/mprotect: only reference swap pfn page if type match

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Commits on Aug 20, 2022

• mm/uffd: reset write protection when unregister with wp-mode

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• mm/smaps: don't access young/dirty bit if pte unpresent

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Commits on Jul 30, 2022

• selftests: add soft-dirty into run_vmtests.sh

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• selftests: soft-dirty: add test for mprotect

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• mm/mprotect: fix soft-dirty check in can_change_pte_writable()

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Commits on Jun 17, 2022

• mm: avoid unnecessary page fault retires on shared memory types

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• mm/x86: remove dead code for hugetlbpage.c

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Commits on May 13, 2022

• mm/uffd: move USERFAULTFD configs into mm/

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• selftests/uffd: enable uffd-wp for shmem/hugetlbfs

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• mm: enable PTE markers by default

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• mm/uffd: enable write protection for shmem & hugetlbfs

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• mm/pagemap: recognize uffd-wp bit for shmem/hugetlbfs

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• mm/khugepaged: don't recycle vma pgtable if uffd-wp registered

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• mm/hugetlb: handle uffd-wp during fork()

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• mm/hugetlb: only drop uffd-wp special pte if required

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• mm/hugetlb: allow uffd wr-protect none ptes

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• mm/hugetlb: handle pte markers in page faults

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• mm/hugetlb: handle UFFDIO_WRITEPROTECT

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• mm/hugetlb: take care of UFFDIO_COPY_MODE_WP

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• mm/hugetlb: hook page faults for uffd write protection

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• mm/hugetlb: introduce huge pte version of uffd-wp helpers

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• mm/shmem: handle uffd-wp during fork()

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• mm/shmem: allows file-back mem to be uffd wr-protected on thps

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• mm/shmem: allow uffd wr-protect none pte for file-backed mem

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• mm/shmem: persist uffd-wp bit across zapping for file-backed

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• mm/shmem: handle uffd-wp special pte in page fault handler

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• mm/shmem: take care of UFFDIO_COPY_MODE_WP

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