The patch titled
Subject: maple_tree: introduce mas_wr_prealloc_setup()
has been added to the -mm mm-unstable branch. Its filename is
maple_tree-introduce-mas_wr_prealloc_setup.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/maple_tree-introduce-mas_wr_prealloc_setup.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: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
Subject: maple_tree: introduce mas_wr_prealloc_setup()
Date: Tue, 18 Jun 2024 13:47:36 -0700
Introduce a helper function, mas_wr_prealoc_setup(), that will set up a
maple write state in order to start a walk of a maple tree.
Link: https://lkml.kernel.org/r/20240618204750.79512-3-sidhartha.kumar@xxxxxxxxxx
Signed-off-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
Reviewed-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Cc: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/maple_tree.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
--- a/lib/maple_tree.c~maple_tree-introduce-mas_wr_prealloc_setup
+++ a/lib/maple_tree.c
@@ -5399,6 +5399,13 @@ reset:
mas_reset(wr_mas->mas);
}
+static inline void mas_wr_prealloc_setup(struct ma_wr_state *wr_mas)
+{
+ struct ma_state *mas = wr_mas->mas;
+
+ mas_wr_store_setup(wr_mas);
+ wr_mas->content = mas_start(mas);
+}
/* Interface */
/**
@@ -5504,8 +5511,7 @@ int mas_preallocate(struct ma_state *mas
if (unlikely(!mas->index && mas->last == ULONG_MAX))
goto ask_now;
- mas_wr_store_setup(&wr_mas);
- wr_mas.content = mas_start(mas);
+ mas_wr_prealloc_setup(&wr_mas);
/* Root expand */
if (unlikely(mas_is_none(mas) || mas_is_ptr(mas)))
goto ask_now;
_
Patches currently in -mm which might be from sidhartha.kumar@xxxxxxxxxx are
mm-hugetlb-remove-setclearhpage-macros.patch
mm-hugetlb-mm-memory_hotplug-use-a-folio-in-scan_movable_pages.patch
maple_tree-introduce-store_type-enum.patch
maple_tree-introduce-mas_wr_prealloc_setup.patch
maple_tree-move-up-mas_wr_store_setup-and-mas_wr_prealloc_setup.patch
maple_tree-introduce-mas_wr_store_type.patch
maple_tree-remove-mas_destroy-from-mas_nomem.patch
maple_tree-use-mas_store_gfp-in-mas_erase.patch
maple_tree-use-mas_store_gfp-in-mtree_store_range.patch
maple_tree-print-store-type-in-mas_dump.patch
maple_tree-use-store-type-in-mas_wr_store_entry.patch
maple_tree-convert-mas_insert-to-preallocate-nodes.patch
maple_tree-simplify-mas_commit_b_node.patch
maple_tree-remove-mas_wr_modify.patch
maple_tree-have-mas_store-allocate-nodes-if-needed.patch
maple_tree-remove-node-allocations-from-various-write-helper-functions.patch
maple_tree-remove-repeated-sanity-checks-from-mas_wr_append.patch
maple_tree-remove-unneeded-mas_wr_walk-in-mas_store_prealloc.patch
tools-testing-radix-tree-add-missing-module_description-definition.patch
