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Revert "userfaultfd: don't fail on unrecognized features"
2023-04-26 Peter XuRevert "userfaultfd: don't fail on unrecognized features"
Signed-off-by: Peter Xu <peterx@redhat.com>
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2023-04-13 Peter Xumm/hugetlb: fix uffd wr-protection for CoW optimization...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2023-02-22 Peter Xumm/migrate: fix wrongly apply write bit after mkdirty...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2023-02-09 Peter Xumm/uffd: fix pte marker when fork() without fork event
Signed-off-by: Peter Xu <peterx@redhat.com>
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2023-01-24 Peter Xumm/hugetlb: pre-allocate pgtable pages for uffd wr...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-11-08 Peter Xumm/shmem: use page_mapping() to detect page cache for...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-11-08 Peter XuPartly revert "mm/thp: carry over dirty bit when thp...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-10-28 Peter Xumm/uffd: fix vma check on userfault for wp
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-10-13 Peter Xumm/selftest: uffd: explain the write missing fault...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-10-13 Peter Xumm/hugetlb: use hugetlb_pte_stable in migration race...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-10-13 Peter Xumm/hugetlb: fix race condition of uffd missing/minor...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-10-12 Peter Xumm/uffd: fix warning without PTE_MARKER_UFFD_WP compiled in
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-09-27 Peter Xumm/swap: cache swap migration A/D bits support
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-09-27 Peter Xumm/swap: cache maximum swapfile size when init swap
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-09-27 Peter Xumm: remember young/dirty bit for page migrations
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-09-27 Peter Xumm/thp: carry over dirty bit when thp splits on pmd
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-09-27 Peter Xumm/swap: add swp_offset_pfn() to fetch PFN from swap...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-09-27 Peter Xumm/swap: comment all the ifdef in swapops.h
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-09-27 Peter Xumm/x86: use SWP_TYPE_BITS in 3-level swap macros
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-08-28 Peter Xumm/mprotect: only reference swap pfn page if type match
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-08-20 Peter Xumm/uffd: reset write protection when unregister with...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-08-20 Peter Xumm/smaps: don't access young/dirty bit if pte unpresent
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-07-30 Peter Xuselftests: add soft-dirty into run_vmtests.sh
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-07-30 Peter Xuselftests: soft-dirty: add test for mprotect
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-07-30 Peter Xumm/mprotect: fix soft-dirty check in can_change_pte_writable()
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-06-17 Peter Xumm: avoid unnecessary page fault retires on shared...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-06-17 Peter Xumm/x86: remove dead code for hugetlbpage.c
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/uffd: move USERFAULTFD configs into mm/
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xuselftests/uffd: enable uffd-wp for shmem/hugetlbfs
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm: enable PTE markers by default
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/uffd: enable write protection for shmem & hugetlbfs
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/pagemap: recognize uffd-wp bit for shmem/hugetlbfs
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/khugepaged: don't recycle vma pgtable if uffd-wp...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/hugetlb: handle uffd-wp during fork()
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/hugetlb: only drop uffd-wp special pte if required
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/hugetlb: allow uffd wr-protect none ptes
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/hugetlb: handle pte markers in page faults
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/hugetlb: handle UFFDIO_WRITEPROTECT
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/hugetlb: take care of UFFDIO_COPY_MODE_WP
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/hugetlb: hook page faults for uffd write protection
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/hugetlb: introduce huge pte version of uffd-wp helpers
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/shmem: handle uffd-wp during fork()
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/shmem: allows file-back mem to be uffd wr-protected...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/shmem: allow uffd wr-protect none pte for file-backed mem
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/shmem: persist uffd-wp bit across zapping for file...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/shmem: handle uffd-wp special pte in page fault...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/shmem: take care of UFFDIO_COPY_MODE_WP
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm/uffd: PTE_MARKER_UFFD_WP
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm: check against orig_pte for finish_fault()
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm: teach core mm about pte markers
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-05-13 Peter Xumm: introduce PTE_MARKER swap entry
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-04-29 Peter Xuinclude/linux/swapops.h: remove stub for non_swap_entry()
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-03-22 Peter Xumm: rework swap handling of zap_pte_range
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-03-22 Peter Xumm: change zap_details.zap_mapping into even_cows
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-03-22 Peter Xumm: rename zap_skip_check_mapping() to should_zap_page()
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-03-22 Peter Xumm: don't skip swap entry even if zap_details specified
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-03-22 Peter Xumm: fix invalid page pointer returned with FOLL_PIN...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2022-01-15 Peter Xuselftests/uffd: allow EINTR/EAGAIN
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-11-06 Peter Xumm/hugetlb: drop __unmap_hugepage_range definition...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-11-06 Peter Xumm: add zap_skip_check_mapping() helper
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-11-06 Peter Xumm: drop first_index/last_index in zap_details
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-11-06 Peter Xumm: clear vmf->pte after pte_unmap_same() returns
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-11-06 Peter Xumm/shmem: unconditionally set pte dirty in mfill_atomic_inst...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-11-06 Peter Xumm/memcg: drop swp_entry_t* in mc_handle_file_pte()
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-11-06 Peter Xumm/smaps: simplify shmem handling of pte holes
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-11-06 Peter Xumm/smaps: use vma->vm_pgoff directly when counting...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-11-06 Peter Xumm/smaps: fix shmem pte hole swap calculation
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-10-19 Peter Xumm/userfaultfd: selftests: fix memory corruption with...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-09-06 Peter XuKVM: Drop unused kvm_dirty_gfn_invalid()
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-08-20 Peter XuKVM: X86: Introduce mmu_rmaps_stat per-vm debugfs file
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-08-20 Peter XuKVM: X86: Introduce kvm_mmu_slot_lpages() helpers
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-08-13 Peter XuKVM: Allow to have arch-specific per-vm debugfs files
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-08-04 Peter XuKVM: X86: Optimize zapping rmap
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-08-04 Peter XuKVM: X86: Optimize pte_list_desc with per-array counter
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-08-04 Peter XuKVM: X86: MMU: Tune PTE_LIST_EXT to be bigger
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-08-02 Peter XuKVM: Introduce kvm_get_kvm_safe()
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-08-02 Peter XuKVM: X86: Add per-vm stat for max rmap list size
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-07-01 Peter Xuuserfaultfd/selftests: add pagemap uffd-wp test
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-07-01 Peter Xumm/pagemap: export uffd-wp protection information
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-07-01 Peter Xumm/userfaultfd: fail uffd-wp registration if not supported
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-07-01 Peter Xumm/userfaultfd: fix uffd-wp special cases for fork()
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-07-01 Peter Xumm/thp: simplify copying of huge zero page pmd when...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-07-01 Peter Xuuserfaultfd/selftests: unify error handling
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-07-01 Peter Xuuserfaultfd/selftests: only dump counts if mode enabled
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-07-01 Peter Xuuserfaultfd/selftests: dropping VERIFY check in locking_thread
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-07-01 Peter Xuuserfaultfd/selftests: remove the time() check on delayed...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-07-01 Peter Xuuserfaultfd/selftests: use user mode only
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-06-29 Peter Xumm/gup_benchmark: support threading
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-06-16 Peter Xumm/swap: fix pte_same_as_swp() not removing uffd-wp...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-05-15 Peter Xumm/hugetlb: fix cow where page writtable in child
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-05-15 Peter Xumm/hugetlb: fix F_SEAL_FUTURE_WRITE
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-05-05 Peter Xuhugetlb/userfaultfd: unshare all pmds for hugetlbfs...
Signed-off-by: Peter Xu <peterx@redhat.com>
Cc: Peter Xu <peterx@redhat.com>
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2021-05-05 Peter Xumm/hugetlb: move flush_hugetlb_tlb_range() into hugetlb.h
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-05-05 Peter Xuhugetlb/userfaultfd: forbid huge pmd sharing when uffd...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-05-05 Peter Xuhugetlb: pass vma into huge_pte_alloc() and huge_pmd_share()
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-04-21 Peter XuKVM: selftests: Sync data verify of dirty logging with...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-03-13 Peter Xuhugetlb: do early cow when page pinned on src mm
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-03-13 Peter Xumm: use is_cow_mapping() across tree where proper
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-03-13 Peter Xumm: introduce page_needs_cow_for_dma() for deciding...
Signed-off-by: Peter Xu <peterx@redhat.com>
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2021-03-13 Peter Xuhugetlb: break earlier in add_reservation_in_range...
Signed-off-by: Peter Xu <peterx@redhat.com>
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