The patch titled
Subject: maple_tree: index has been checked to be smaller than pivot
has been added to the -mm mm-unstable branch. Its filename is
maple_tree-index-has-been-checked-to-be-smaller-than-pivot.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/maple_tree-index-has-been-checked-to-be-smaller-than-pivot.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Wei Yang <richard.weiyang@xxxxxxxxx>
Subject: maple_tree: index has been checked to be smaller than pivot
Date: Sat, 16 Nov 2024 01:48:03 +0000
Patch series "mas_anode_descend() related cleanup".
Some cleanup related to mas_anode_descend().
This patch (of 3):
At the beginning of loop, it has checked the range is in lower bounds.
Link: https://lkml.kernel.org/r/20241116014805.11547-1-richard.weiyang@xxxxxxxxx
Link: https://lkml.kernel.org/r/20241116014805.11547-2-richard.weiyang@xxxxxxxxx
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
Reviewed-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Cc: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
Cc: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/maple_tree.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
--- a/lib/maple_tree.c~maple_tree-index-has-been-checked-to-be-smaller-than-pivot
+++ a/lib/maple_tree.c
@@ -4881,13 +4881,12 @@ static inline bool mas_anode_descend(str
found = true;
goto done;
}
- if (mas->index <= pivot) {
- mas->node = mas_slot(mas, slots, offset);
- mas->min = min;
- mas->max = pivot;
- offset = 0;
- break;
- }
+
+ mas->node = mas_slot(mas, slots, offset);
+ mas->min = min;
+ mas->max = pivot;
+ offset = 0;
+ break;
}
next_slot:
min = pivot + 1;
_
Patches currently in -mm which might be from richard.weiyang@xxxxxxxxx are
maple_tree-use-mas_next_slot-directly.patch
maple_tree-index-has-been-checked-to-be-smaller-than-pivot.patch
maple_tree-not-possible-to-be-a-root-node-after-loop.patch
maple_tree-we-dont-set-offset-to-maple_node_slots-on-error.patch
