The patch titled
Subject: maple_tree: remove sanity check from mas_wr_slot_store()
has been added to the -mm mm-unstable branch. Its filename is
maple_tree-remove-sanity-check-from-mas_wr_slot_store.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/maple_tree-remove-sanity-check-from-mas_wr_slot_store.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: remove sanity check from mas_wr_slot_store()
Date: Thu, 17 Oct 2024 01:58:09 +0000
After commit 5d659bbb52a2 ("maple_tree: introduce mas_wr_store_type()"),
the check here is redundant.
Let's remove it.
Link: https://lkml.kernel.org/r/20241017015809.23392-3-richard.weiyang@xxxxxxxxx
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
Reviewed-by: Sidhartha Kumar <sidhartha.kumar@xxxxxxxxxx>
Cc: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Cc: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/maple_tree.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
--- a/lib/maple_tree.c~maple_tree-remove-sanity-check-from-mas_wr_slot_store
+++ a/lib/maple_tree.c
@@ -3897,7 +3897,8 @@ static inline void mas_wr_slot_store(str
wr_mas->pivots[offset] = mas->index - 1;
mas->offset++; /* Keep mas accurate. */
}
- } else if (!mt_in_rcu(mas->tree)) {
+ } else {
+ WARN_ON_ONCE(mt_in_rcu(mas->tree));
/*
* Expand the range, only partially overwriting the previous and
* next ranges
@@ -3907,8 +3908,6 @@ static inline void mas_wr_slot_store(str
wr_mas->pivots[offset] = mas->index - 1;
wr_mas->pivots[offset + 1] = mas->last;
mas->offset++; /* Keep mas accurate. */
- } else {
- return;
}
trace_ma_write(__func__, mas, 0, wr_mas->entry);
_
Patches currently in -mm which might be from richard.weiyang@xxxxxxxxx are
maple_tree-i-is-always-less-than-or-equal-to-mas_end.patch
maple_tree-goto-complete-directly-on-a-pivot-of-0.patch
maple_tree-remove-maple_big_nodeparent.patch
maple_tree-memset-maple_big_node-as-a-whole.patch
maple_tree-root-node-could-be-handled-by-p_slot-too.patch
maple_tree-clear-request_count-for-new-allocated-one.patch
maple_tree-total-is-not-changed-for-nomem_one-case.patch
maple_tree-simplify-mas_push_node.patch
maple_tree-calculate-new_end-when-needed.patch
maple_tree-remove-sanity-check-from-mas_wr_slot_store.patch
