[PATCH 00/34] Maple tree mas_{next,prev}_range() and cleanup

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This is a number of clean ups to the code to make it more usable, The
addition of debug output formatting, the addition of printing the maple
state information in the WARN_ON/BUG_ON code.

There is also work done here to keep nodes active during iterations to
reduce the necessity of re-walking the tree.

Finally, there is a new interface added to move to the next or previous
range regardless of if there is anything in that range.

The organisation of the patches is as follows:

0001-0004 - Small clean ups
0005-0018 - Additional debug options and WARN_ON/BUG_ON changes
0019      - Test module __init and __exit addition
0020-0021 - More functional clean ups
0022-0026 - Changes to keep nodes active
0027-0034 - Add new mas_{prev,next}_range()

Liam R. Howlett (34):
  maple_tree: Fix static analyser cppcheck issue
  maple_tree: Clean up mas_parent_enum()
  maple_tree: Avoid unnecessary ascending
  maple_tree: Clean up mas_dfs_postorder()
  maple_tree: Add format option to mt_dump()
  maple_tree: Add debug BUG_ON and WARN_ON variants
  maple_tree: Convert BUG_ON() to MT_BUG_ON()
  maple_tree: Change RCU checks to WARN_ON() instead of BUG_ON()
  maple_tree: Convert debug code to use MT_WARN_ON() and MAS_WARN_ON()
  maple_tree: Use MAS_BUG_ON() when setting a leaf node as a parent
  maple_tree: Use MAS_BUG_ON() in mas_set_height()
  maple_tree: Use MAS_BUG_ON() from mas_topiary_range()
  maple_tree: Use MAS_WR_BUG_ON() in mas_store_prealloc()
  maple_tree: Use MAS_BUG_ON() prior to calling mas_meta_gap()
  maple_tree: Return error on mte_pivots() out of range
  maple_tree: Make test code work without debug enabled
  mm: Update validate_mm() to use vma iterator
  mm: Update vma_iter_store() to use MAS_WARN_ON()
  maple_tree: Add __init and __exit to test module
  maple_tree: Remove unnecessary check from mas_destroy()
  maple_tree: mas_start() reset depth on dead node
  mm/mmap: Change do_vmi_align_munmap() for maple tree iterator changes
  maple_tree: Try harder to keep active node after mas_next()
  maple_tree: Try harder to keep active node with mas_prev()
  maple_tree: Clear up index and last setting in single entry tree
  maple_tree:  Update testing code for mas_{next,prev,walk}
  maple_tree: Introduce mas_next_slot() interface
  maple_tree: Revise limit checks in mas_empty_area{_rev}()
  maple_tree: Introduce mas_prev_slot() interface
  maple_tree: Fix comments for mas_next_entry() and mas_prev_entry()
  maple_tree: Add mas_next_range() and mas_find_range() interfaces
  maple_tree: Add mas_prev_range() and mas_find_range_rev interface
  maple_tree: Add testing for mas_{prev,next}_range()
  mm: Add vma_iter_{next,prev}_range() to vma iterator

 include/linux/maple_tree.h            |  128 ++-
 include/linux/mm.h                    |   13 +
 include/linux/mmdebug.h               |   14 +
 lib/Kconfig.debug                     |   10 +-
 lib/maple_tree.c                      | 1042 +++++++++++++++----------
 lib/test_maple_tree.c                 |  993 ++++++++++++++++++++---
 mm/debug.c                            |    9 +
 mm/internal.h                         |   20 +-
 mm/mmap.c                             |  107 ++-
 tools/testing/radix-tree/linux/init.h |    1 +
 tools/testing/radix-tree/maple.c      |  164 ++--
 11 files changed, 1823 insertions(+), 678 deletions(-)

-- 
2.39.2





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