The patch titled
Subject: maple_tree: drop mas_first_entry()
has been added to the -mm mm-unstable branch. Its filename is
maple_tree-drop-mas_first_entry.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/maple_tree-drop-mas_first_entry.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: Peng Zhang <zhangpeng.00@xxxxxxxxxxxxx>
Subject: maple_tree: drop mas_first_entry()
Date: Tue, 11 Jul 2023 11:54:44 +0800
The internal function mas_first_entry() is no longer used, so drop it.
Link: https://lkml.kernel.org/r/20230711035444.526-9-zhangpeng.00@xxxxxxxxxxxxx
Signed-off-by: Peng Zhang <zhangpeng.00@xxxxxxxxxxxxx>
Reviewed-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Tested-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/maple_tree.c | 72 ---------------------------------------------
1 file changed, 72 deletions(-)
--- a/lib/maple_tree.c~maple_tree-drop-mas_first_entry
+++ a/lib/maple_tree.c
@@ -6636,78 +6636,6 @@ static inline struct maple_enode *mas_ge
offset);
}
-
-/*
- * mas_first_entry() - Go the first leaf and find the first entry.
- * @mas: the maple state.
- * @limit: the maximum index to check.
- * @*r_start: Pointer to set to the range start.
- *
- * Sets mas->offset to the offset of the entry, r_start to the range minimum.
- *
- * Return: The first entry or MAS_NONE.
- */
-static inline void *mas_first_entry(struct ma_state *mas, struct maple_node *mn,
- unsigned long limit, enum maple_type mt)
-
-{
- unsigned long max;
- unsigned long *pivots;
- void __rcu **slots;
- void *entry = NULL;
-
- mas->index = mas->min;
- if (mas->index > limit)
- goto none;
-
- max = mas->max;
- mas->offset = 0;
- while (likely(!ma_is_leaf(mt))) {
- MAS_WARN_ON(mas, mte_dead_node(mas->node));
- slots = ma_slots(mn, mt);
- entry = mas_slot(mas, slots, 0);
- pivots = ma_pivots(mn, mt);
- if (unlikely(ma_dead_node(mn)))
- return NULL;
- max = pivots[0];
- mas->node = entry;
- mn = mas_mn(mas);
- mt = mte_node_type(mas->node);
- }
- MAS_WARN_ON(mas, mte_dead_node(mas->node));
-
- mas->max = max;
- slots = ma_slots(mn, mt);
- entry = mas_slot(mas, slots, 0);
- if (unlikely(ma_dead_node(mn)))
- return NULL;
-
- /* Slot 0 or 1 must be set */
- if (mas->index > limit)
- goto none;
-
- if (likely(entry))
- return entry;
-
- mas->offset = 1;
- entry = mas_slot(mas, slots, 1);
- pivots = ma_pivots(mn, mt);
- if (unlikely(ma_dead_node(mn)))
- return NULL;
-
- mas->index = pivots[0] + 1;
- if (mas->index > limit)
- goto none;
-
- if (likely(entry))
- return entry;
-
-none:
- if (likely(!ma_dead_node(mn)))
- mas->node = MAS_NONE;
- return NULL;
-}
-
/* Depth first search, post-order */
static void mas_dfs_postorder(struct ma_state *mas, unsigned long max)
{
_
Patches currently in -mm which might be from zhangpeng.00@xxxxxxxxxxxxx are
maple_tree-set-the-node-limit-when-creating-a-new-root-node.patch
maple_tree-add-test-for-mas_wr_modify-fast-path.patch
maple_tree-add-test-for-expanding-range-in-rcu-mode.patch
maple_tree-optimize-mas_wr_append-also-improve-duplicating-vmas.patch
maple_tree-add-a-fast-path-case-in-mas_wr_slot_store.patch
maple_tree-dont-use-maple_arange64_meta_max-to-indicate-no-gap.patch
maple_tree-make-mas_validate_gaps-to-check-metadata.patch
maple_tree-fix-mas_validate_child_slot-to-check-last-missed-slot.patch
maple_tree-make-mas_validate_limits-check-root-node-and-node-limit.patch
maple_tree-update-mt_validate.patch
maple_tree-replace-mas_logical_pivot-with-mas_safe_pivot.patch
maple_tree-drop-mas_first_entry.patch
