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This patchset has passed the self-test. 0001-0002 - These two patches are collected from [1] 0005-0010 - Make mas_wr_modify() and its subfunctions clearer. Make the store operation of maple tree more efficient in some cases [1] https://lore.kernel.org/lkml/20230510061049.53977-1-zhangpeng.00@bytedance.com/ Peng Zhang (10): maple_tree: Drop the test code for mtree_alloc_{range,rrange}() maple_tree: Drop mtree_alloc_{range,rrange}() and related functions. maple_tree: Remove __must_hold() which does not work maple_tree: Simplify mas_is_span_wr() maple_tree: Make the code symmetrical in mas_wr_extend_null() maple_tree: Wrap the replace operation with an inline function. maple_tree: Add mas_wr_new_end() to calculate new_end accurately maple_tree: Add comments and some minor cleanups to mas_wr_append() maple_tree: Rework mas_wr_slot_store() to be cleaner and more efficient. maple_tree: Simplify and clean up mas_wr_node_store() include/linux/maple_tree.h | 7 - lib/maple_tree.c | 500 ++++++++++++------------------------- lib/test_maple_tree.c | 389 ----------------------------- 3 files changed, 162 insertions(+), 734 deletions(-)