Messages in this thread Patch in this message | | | From | Wei Yang <> | Subject | [PATCH] maple_tree: not necessary to filter MAPLE_PARENT_ROOT since it is not a root | Date | Sun, 13 Nov 2022 00:56:18 +0000 |
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Root node is return at the beginning, so we are sure bit 0 is not set.
Signed-off-by: Wei Yang <richard.weiyang@gmail.com> CC: Liam R. Howlett <Liam.Howlett@Oracle.com> --- lib/maple_tree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/maple_tree.c b/lib/maple_tree.c index 9aad98c24f3e..f8c4755e7c75 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -436,7 +436,7 @@ enum maple_type mte_parent_enum(struct maple_enode *p_enode, return 0; /* Validated in the caller. */ p_type &= MAPLE_NODE_MASK; - p_type = p_type & ~(MAPLE_PARENT_ROOT | mte_parent_slot_mask(p_type)); + p_type = p_type & ~mte_parent_slot_mask(p_type); switch (p_type) { case MAPLE_PARENT_RANGE64: /* or MAPLE_PARENT_ARANGE64 */ -- 2.33.1
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