* Wei Yang <richard.weiyang@xxxxxxxxx> [241017 22:40]: > The original thread[1] thoughts it is a problem in mas_new_root(). But after > discussion, this should be an improvement on storing NULL. > > Patch 1/2 preparation for refine. > > Patch 3 remove redundant check in mas_new_root(). > > Patch 4 refine mas_store_root() to improve memory efficiency and remove > possible consecutive NULL slot. > > Patch 5 adds a test for storing NULL. This series fails to apply to akpm/mm-unstable today. What are you based off? > > [1]: https://lkml.kernel.org/r/20241015233909.23592-1-richard.weiyang@xxxxxxxxx > > v3: > patch 4 move the change into mas_store_root() > patch 5 move test into lib/test_maple_tree.c > > Wei Yang (5): > maple_tree: print empty for an empty tree on mt_dump() > maple_tree: the return value of mas_root_expand() is not used > maple_tree: not necessary to check index/last again > maple_tree: refine mas_store_root() on storing NULL > maple_tree: add a test checking storing null > > lib/maple_tree.c | 20 ++++++---- > lib/test_maple_tree.c | 90 +++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 103 insertions(+), 7 deletions(-) > > -- > 2.34.1 >