On Tue, Apr 11, 2023 at 11:10:41AM -0400, Liam R. Howlett wrote: > Greg, > > Here are the backports of the patches for the maple tree fixes from > 6.3-rc6 for 6.1 and 6.2. > > The patches differ with a few extra patches for the maple tree, and > changes to the mm code patch to work without the vma iterator change. > > Liam R. Howlett (14): > maple_tree: remove GFP_ZERO from kmem_cache_alloc() and > kmem_cache_alloc_bulk() > maple_tree: fix potential rcu issue > maple_tree: reduce user error potential > maple_tree: fix handle of invalidated state in mas_wr_store_setup() > maple_tree: fix mas_prev() and mas_find() state handling > maple_tree: fix mas_skip_node() end slot detection > maple_tree: be more cautious about dead nodes > maple_tree: refine ma_state init from mas_start() > maple_tree: detect dead nodes in mas_start() > maple_tree: fix freeing of nodes in rcu mode > maple_tree: remove extra smp_wmb() from mas_dead_leaves() > maple_tree: add smp_rmb() to dead node detection > maple_tree: add RCU lock checking to rcu callback functions > mm: enable maple tree RCU mode by default. > > include/linux/mm_types.h | 3 +- > kernel/fork.c | 3 + > lib/maple_tree.c | 389 ++++++++++++++++++++----------- > mm/mmap.c | 3 +- > tools/testing/radix-tree/maple.c | 18 +- > 5 files changed, 263 insertions(+), 153 deletions(-) > > -- > 2.39.2 > Thanks for these. One of them was already in the 6.2.y and 6.1.y releases, so I just skipped it. greg k-h