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authorLiam Howlett <liam.howlett@oracle.com>2022-11-07 16:39:02 +0000
committerAndrew Morton <akpm@linux-foundation.org>2022-11-08 15:57:25 -0800
commit7dc5ba6254bb242a9f45e43549171a2d84d25e6a (patch)
tree8bbbb014e1b1281e418b2c26ad51a6fcda86377b /lib
parent9bbba5633488ee3e2903647c3484c4390ff39ea7 (diff)
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 <Liam.Howlett@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/maple_tree.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 59d0cebc774b..df352f6ccc24 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);