The quilt patch titled Subject: maple_tree: not necessary to check index/last again has been removed from the -mm tree. Its filename was maple_tree-not-necessary-to-check-index-last-again.patch This patch was dropped because an updated version will be issued ------------------------------------------------------ From: Wei Yang <richard.weiyang@xxxxxxxxx> Subject: maple_tree: not necessary to check index/last again Date: Tue, 15 Oct 2024 23:39:08 +0000 Patch series "fix mas_new_root()". When overwriting the whole range with NULL, current behavior is not correct. This patch (of 2): Before calling mas_new_root(), the range has been checked. Link: https://lkml.kernel.org/r/20241015233909.23592-1-richard.weiyang@xxxxxxxxx Link: https://lkml.kernel.org/r/20241015233909.23592-2-richard.weiyang@xxxxxxxxx Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx> Cc: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> Cc: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx> Cc: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/maple_tree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/lib/maple_tree.c~maple_tree-not-necessary-to-check-index-last-again +++ a/lib/maple_tree.c @@ -3670,7 +3670,7 @@ static inline void mas_new_root(struct m void __rcu **slots; unsigned long *pivots; - if (!entry && !mas->index && mas->last == ULONG_MAX) { + if (!entry) { mas->depth = 0; mas_set_height(mas); rcu_assign_pointer(mas->tree->ma_root, entry); _ Patches currently in -mm which might be from richard.weiyang@xxxxxxxxx are maple_tree-i-is-always-less-than-or-equal-to-mas_end.patch maple_tree-goto-complete-directly-on-a-pivot-of-0.patch maple_tree-remove-maple_big_nodeparent.patch maple_tree-memset-maple_big_node-as-a-whole.patch maple_tree-root-node-could-be-handled-by-p_slot-too.patch maple_tree-clear-request_count-for-new-allocated-one.patch maple_tree-total-is-not-changed-for-nomem_one-case.patch maple_tree-simplify-mas_push_node.patch maple_tree-one-single-entry-couldnt-represent-the-whole-range.patch maple_tree-calculate-new_end-when-needed.patch maple_tree-remove-sanity-check-from-mas_wr_slot_store.patch