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revert "memfd: improve userspace warnings for missing exec-related flags".
2023-08-24 Liam R. Howlettmaple_tree: clean up mas_wr_append()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-24 Liam R. Howlettmaple_tree: disable mas_wr_append() when other readers...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-21 Liam R. Howlettmaple_tree: replace data before marking dead in split...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-21 Liam R. Howlettmaple_tree: change mas_adopt_children() parent usage
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-21 Liam R. Howlettmaple_tree: introduce mas_tree_parent() definition
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-21 Liam R. Howlettmaple_tree: introduce mas_put_in_tree()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-21 Liam R. Howlettmaple_tree: reorder replacement of nodes to avoid live...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-21 Liam R. Howlettmaple_tree: add hex output to maple_arange64 dump
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmm/mmap: change vma iteration order in do_vmi_align_munmap()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmaple_tree: reduce resets during store setup
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmaple_tree: refine mas_preallocate() node calculations
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmaple_tree: update mas_preallocate() testing
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmaple_tree: move mas_wr_end_piv() below mas_wr_extend_null()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmm: set up vma iterator for vma_iter_prealloc() calls
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmm: use vma_iter_clear_gfp() in nommu
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmaple_tree: adjust node allocation on mas_rebalance()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmaple_tree: re-introduce entry to mas_preallocate(...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmm: remove re-walk from mmap_region()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmaple_tree: introduce __mas_set_range()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmm: remove prev check from do_vmi_align_munmap()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmm: change do_vmi_align_munmap() tracking of VMAs to...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmaple_tree: add benchmarking for mas_prev()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmaple_tree: add benchmarking for mas_for_each
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmaple_tree: Be more strict about locking
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmm/mmap: change detached vma locking scheme
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmaple_tree: relax lockdep checks for on-stack trees
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-18 Liam R. Howlettmm/mmap: clean up validate_mm() calls
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-08-04 Liam R. HowlettMAINTAINERS: add maple tree mailing list
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-07-17 Liam R. Howlettmaple_tree: fix node allocation testing on 32 bit
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-07-17 Liam R. Howlettmaple_tree: fix 32 bit mas_next testing
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-07-17 Liam R. Howlettmm/mlock: fix vma iterator conversion of apply_vma_lock_flags()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-07-01 Liam R. Howlettmm: Update do_vmi_align_munmap() return semantics
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-24 Liam R. Howlettmm: make find_extend_vma() fail if write lock not held
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-19 Liam R. Howlettuserfaultfd: fix regression in userfaultfd_unmap_prep()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-19 Liam R. Howlettmm/mprotect: fix do_mprotect_pkey() limit check
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-18 Liam R. Howlettmm/mmap: Fix error path in do_vmi_align_munmap()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmm: avoid rewalk in mmap_region
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmm: add vma_iter_{next,prev}_range() to vma iterator
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: update testing code for mas_{next,prev...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: clear up index and last setting in single...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: add mas_prev_range() and mas_find_range_rev...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: introduce mas_prev_slot() interface
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: relocate mas_rewalk() and mas_rewalk_if_dead()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: add mas_next_range() and mas_find_range...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: introduce mas_next_slot() interface
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: fix testing mas_empty_area()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: revise limit checks in mas_empty_area{_rev}()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: try harder to keep active node with mas_prev()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: try harder to keep active node after mas_next()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmm/mmap: change do_vmi_align_munmap() for maple tree...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: mas_start() reset depth on dead node
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: remove unnecessary check from mas_destroy()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: add __init and __exit to test module
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmm: update vma_iter_store() to use MAS_WARN_ON()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmm: update validate_mm() to use vma iterator
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: make test code work without debug enabled
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: return error on mte_pivots() out of range
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: use MAS_BUG_ON() prior to calling mas_meta_gap()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: use MAS_WR_BUG_ON() in mas_store_prealloc()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: use MAS_BUG_ON() from mas_topiary_range()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: use MAS_BUG_ON() in mas_set_height()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: use MAS_BUG_ON() when setting a leaf node...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: convert debug code to use MT_WARN_ON()...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: change RCU checks to WARN_ON() instead...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: convert BUG_ON() to MT_BUG_ON()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: add debug BUG_ON and WARN_ON variants
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: add format option to mt_dump()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: clean up mas_dfs_postorder()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: avoid unnecessary ascending
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: clean up mas_parent_enum() and rename to...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-06-09 Liam R. Howlettmaple_tree: fix static analyser cppcheck issue
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-04-18 Liam R. Howlettmm/mmap: regression fix for unmapped_area{_topdown}
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-04-18 Liam R. Howlettmaple_tree: fix mas_empty_area() search
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-04-18 Liam R. Howlettmaple_tree: make maple state reusable after mas_empty_area_rev()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-04-16 Liam R. Howlettmm/mempolicy: fix use-after-free of VMA iterator
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-04-16 Liam R. Howlettmm/mprotect: fix do_mprotect_pkey() return on error
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-04-06 Liam R. Howlettmm: enable maple tree RCU mode by default
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-04-06 Liam R. Howlettmaple_tree: add RCU lock checking to rcu callback functions
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-04-06 Liam R. Howlettmaple_tree: add smp_rmb() to dead node detection
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-04-06 Liam R. Howlettmaple_tree: fix write memory barrier of nodes once...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-03-24 Liam R. Howlettmm/ksm: fix race with VMA iteration and mm_struct teardown
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-03-24 Liam R. Howletttest_maple_tree: add more testing for mas_empty_area()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-03-24 Liam R. Howlettmaple_tree: fix mas_skip_node() end slot detection
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-26 Liam R. Howlettmm/mprotect: Fix successful vma_merge() of next in...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettvma_merge: set vma iterator to correct position.
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettmm/mmap: remove __vma_adjust()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettmm/mmap: convert do_brk_flags() to use vma_prepare...
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettmm/mmap: introduce dup_vma_anon() helper
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettmm/mmap: don't use __vma_adjust() in shift_arg_pages()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettmm/mremap: convert vma_adjust() to vma_expand()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettmm: don't use __vma_adjust() in __split_vma()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettmm/mmap: introduce init_vma_prep() and init_multi_vma_prep()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettmm/mmap: use vma_prepare() and vma_complete() in vma_expand()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettmm/mmap: refactor locking out of __vma_adjust()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettmm/mmap: move anon_vma setting in __vma_adjust()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettmm: change munmap splitting order and move_vma()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettmmap: clean up mmap_region() unrolling
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettmm: add vma iterator to vma_adjust() arguments
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettmm: pass vma iterator through to __vma_adjust()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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2023-02-10 Liam R. Howlettmm: remove unnecessary write to vma iterator in __vma_adjust()
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
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