From: Liam Howlett Date: Mon, 7 Nov 2022 16:39:02 +0000 (+0000) Subject: maple_tree: don't set a new maximum on the node when not reusing nodes X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7dc5ba6254bb242a9f45e43549171a2d84d25e6a;p=linux.git maple_tree: don't set a new maximum on the node when not reusing nodes In RCU mode, the node limits were being updated to the last pivot which may not be correct and would cause the metadata to be set when it shouldn't. Fix this by not setting a new limit in this case. Link: https://lkml.kernel.org/r/20221107163857.867377-1-Liam.Howlett@oracle.com Signed-off-by: Liam R. Howlett Signed-off-by: Andrew Morton --- diff --git a/lib/maple_tree.c b/lib/maple_tree.c index 59d0cebc774bc..df352f6ccc240 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -3603,8 +3603,7 @@ static inline int mas_commit_b_node(struct ma_wr_state *wr_mas, node = mas_pop_node(wr_mas->mas); node->parent = mas_mn(wr_mas->mas)->parent; wr_mas->mas->node = mt_mk_node(node, b_type); - mab_mas_cp(b_node, 0, b_end, wr_mas->mas, true); - + mab_mas_cp(b_node, 0, b_end, wr_mas->mas, false); mas_replace(wr_mas->mas, false); reuse_node: mas_update_gap(wr_mas->mas);