The quilt patch titled
Subject: maple_tree: drop mas_{rev_}alloc() and mas_fill_gap()
has been removed from the -mm tree. Its filename was
maple_tree-drop-mas_rev_alloc-and-mas_fill_gap.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Peng Zhang <zhangpeng.00@xxxxxxxxxxxxx>
Subject: maple_tree: drop mas_{rev_}alloc() and mas_fill_gap()
Date: Wed, 24 May 2023 11:12:39 +0800
mas_{rev_}alloc() and mas_fill_gap() are no longer used, delete them.
Link: https://lkml.kernel.org/r/20230524031247.65949-3-zhangpeng.00@xxxxxxxxxxxxx
Signed-off-by: Peng Zhang <zhangpeng.00@xxxxxxxxxxxxx>
Reviewed-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/maple_tree.c | 108 ---------------------------------------------
1 file changed, 108 deletions(-)
--- a/lib/maple_tree.c~maple_tree-drop-mas_rev_alloc-and-mas_fill_gap
+++ a/lib/maple_tree.c
@@ -5121,46 +5121,6 @@ static inline void mas_awalk(struct ma_s
}
/*
- * mas_fill_gap() - Fill a located gap with @entry.
- * @mas: The maple state
- * @entry: The value to store
- * @slot: The offset into the node to store the @entry
- * @size: The size of the entry
- * @index: The start location
- */
-static inline void mas_fill_gap(struct ma_state *mas, void *entry,
- unsigned char slot, unsigned long size, unsigned long *index)
-{
- MA_WR_STATE(wr_mas, mas, entry);
- unsigned char pslot = mte_parent_slot(mas->node);
- struct maple_enode *mn = mas->node;
- unsigned long *pivots;
- enum maple_type ptype;
- /*
- * mas->index is the start address for the search
- * which may no longer be needed.
- * mas->last is the end address for the search
- */
-
- *index = mas->index;
- mas->last = mas->index + size - 1;
-
- /*
- * It is possible that using mas->max and mas->min to correctly
- * calculate the index and last will cause an issue in the gap
- * calculation, so fix the ma_state here
- */
- mas_ascend(mas);
- ptype = mte_node_type(mas->node);
- pivots = ma_pivots(mas_mn(mas), ptype);
- mas->max = mas_safe_pivot(mas, pivots, pslot, ptype);
- mas->min = mas_safe_min(mas, pivots, pslot);
- mas->node = mn;
- mas->offset = slot;
- mas_wr_store_entry(&wr_mas);
-}
-
-/*
* mas_sparse_area() - Internal function. Return upper or lower limit when
* searching for a gap in an empty tree.
* @mas: The maple state
@@ -5307,74 +5267,6 @@ int mas_empty_area_rev(struct ma_state *
}
EXPORT_SYMBOL_GPL(mas_empty_area_rev);
-static inline int mas_alloc(struct ma_state *mas, void *entry,
- unsigned long size, unsigned long *index)
-{
- unsigned long min;
-
- mas_start(mas);
- if (mas_is_none(mas) || mas_is_ptr(mas)) {
- mas_root_expand(mas, entry);
- if (mas_is_err(mas))
- return xa_err(mas->node);
-
- if (!mas->index)
- return mas_pivot(mas, 0);
- return mas_pivot(mas, 1);
- }
-
- /* Must be walking a tree. */
- mas_awalk(mas, size);
- if (mas_is_err(mas))
- return xa_err(mas->node);
-
- if (mas->offset == MAPLE_NODE_SLOTS)
- goto no_gap;
-
- /*
- * At this point, mas->node points to the right node and we have an
- * offset that has a sufficient gap.
- */
- min = mas->min;
- if (mas->offset)
- min = mas_pivot(mas, mas->offset - 1) + 1;
-
- if (mas_is_err(mas))
- return xa_err(mas->node);
-
- if (mas->index < min)
- mas->index = min;
-
- mas_fill_gap(mas, entry, mas->offset, size, index);
- return 0;
-
-no_gap:
- return -EBUSY;
-}
-
-static inline int mas_rev_alloc(struct ma_state *mas, unsigned long min,
- unsigned long max, void *entry,
- unsigned long size, unsigned long *index)
-{
- int ret = 0;
-
- ret = mas_empty_area_rev(mas, min, max, size);
- if (ret)
- return ret;
-
- if (mas_is_err(mas))
- return xa_err(mas->node);
-
- if (mas->offset == MAPLE_NODE_SLOTS)
- goto no_gap;
-
- mas_fill_gap(mas, entry, mas->offset, size, index);
- return 0;
-
-no_gap:
- return -EBUSY;
-}
-
/*
* mte_dead_leaves() - Mark all leaves of a node as dead.
* @mas: The maple state
_
Patches currently in -mm which might be from zhangpeng.00@xxxxxxxxxxxxx are
