The patch titled
Subject: maple_tree: arange64 node is not a leaf node
has been added to the -mm mm-unstable branch. Its filename is
maple_tree-arange64-node-is-not-a-leaf-node.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/maple_tree-arange64-node-is-not-a-leaf-node.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: arange64 node is not a leaf node
Date: Mon, 26 Aug 2024 01:24:21 +0000
mt_dump_arange64() only applies to an entry whose type is maple_arange_64,
in which mte_is_leaf() must return false.
Since mte_is_leaf() here is always false, we can remove this condition
check.
Link: https://lkml.kernel.org/r/20240826012422.29935-1-richard.weiyang@xxxxxxxxx
Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx>
Cc: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/maple_tree.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
--- a/lib/maple_tree.c~maple_tree-arange64-node-is-not-a-leaf-node
+++ a/lib/maple_tree.c
@@ -7203,7 +7203,6 @@ static void mt_dump_arange64(const struc
enum mt_dump_format format)
{
struct maple_arange_64 *node = &mte_to_node(entry)->ma64;
- bool leaf = mte_is_leaf(entry);
unsigned long first = min;
int i;
@@ -7237,10 +7236,7 @@ static void mt_dump_arange64(const struc
break;
if (last == 0 && i > 0)
break;
- if (leaf)
- mt_dump_entry(mt_slot(mt, node->slot, i),
- first, last, depth + 1, format);
- else if (node->slot[i])
+ if (node->slot[i])
mt_dump_node(mt, mt_slot(mt, node->slot, i),
first, last, depth + 1, format);
_
Patches currently in -mm which might be from richard.weiyang@xxxxxxxxx are
mm-improve-code-consistency-with-zonelist_-helper-functions.patch
mm-memory_hotplug-get-rid-of-__ref.patch
maple_tree-fix-comment-typo-of-ma_root.patch
maple_tree-fix-comment-typo-with-corresponding-maple_status.patch
maple_tree-arange64-node-is-not-a-leaf-node.patch
maple_tree-dump-error-message-based-on-format.patch
