The patch titled
Subject: maple_tree: remove pointer to pointer use in mas_alloc_nodes()
has been added to the -mm mm-hotfixes-unstable branch. Its filename is
maple_tree-remove-pointer-to-pointer-use-in-mas_alloc_nodes.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-pointer-to-pointer-use-in-mas_alloc_nodes.patch
This patch will later appear in the mm-hotfixes-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Liam Howlett <liam.howlett@xxxxxxxxxx>
Subject: maple_tree: remove pointer to pointer use in mas_alloc_nodes()
Date: Wed, 26 Oct 2022 15:13:29 +0000
There is a more direct and cleaner way of implementing the same functional
code. Remove the confusing and unnecessary use of pointers here.
Link: https://lkml.kernel.org/r/20221026151241.4031117-1-Liam.Howlett@xxxxxxxxxx
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Suggested-by: Lukas Bulwahn <lukas.bulwahn@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/lib/maple_tree.c~maple_tree-remove-pointer-to-pointer-use-in-mas_alloc_nodes
+++ a/lib/maple_tree.c
@@ -1209,7 +1209,6 @@ done:
static inline void mas_alloc_nodes(struct ma_state *mas, gfp_t gfp)
{
struct maple_alloc *node;
- struct maple_alloc **nodep = &mas->alloc;
unsigned long allocated = mas_allocated(mas);
unsigned long success = allocated;
unsigned int requested = mas_alloc_req(mas);
@@ -1263,8 +1262,7 @@ static inline void mas_alloc_nodes(struc
node->node_count--;
success += count;
- nodep = &node->slot[0];
- node = *nodep;
+ node = node->slot[0];
requested -= count;
}
mas->alloc->total = success;
_
Patches currently in -mm which might be from liam.howlett@xxxxxxxxxx are
mmap-fix-remap_file_pages-regression.patch
maple_tree-remove-pointer-to-pointer-use-in-mas_alloc_nodes.patch
maple_tree-fix-mas_find_rev-comment.patch
maple_tree-update-copyright-dates-for-test-code.patch
