The patch titled
Subject: maple_tree: fix node allocation testing on 32 bit
has been added to the -mm mm-hotfixes-unstable branch. Its filename is
maple_tree-fix-node-allocation-testing-on-32-bit.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/maple_tree-fix-node-allocation-testing-on-32-bit.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 R. Howlett" <Liam.Howlett@xxxxxxxxxx>
Subject: maple_tree: fix node allocation testing on 32 bit
Date: Wed, 12 Jul 2023 13:39:16 -0400
Internal node counting was altered and the 64 bit test was updated,
however the 32bit test was missed.
Restore the 32bit test to a functional state.
Link: https://lore.kernel.org/linux-mm/CAMuHMdV4T53fOw7VPoBgPR7fP6RYqf=CBhD_y_vOg53zZX_DnA@xxxxxxxxxxxxxx/
Link: https://lkml.kernel.org/r/20230712173916.168805-2-Liam.Howlett@xxxxxxxxxx
Fixes: 541e06b772c1 ("maple_tree: remove GFP_ZERO from kmem_cache_alloc() and kmem_cache_alloc_bulk()")
Signed-off-by: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
tools/testing/radix-tree/maple.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/tools/testing/radix-tree/maple.c~maple_tree-fix-node-allocation-testing-on-32-bit
+++ a/tools/testing/radix-tree/maple.c
@@ -206,9 +206,9 @@ static noinline void __init check_new_no
e = i - 1;
} else {
if (i >= 4)
- e = i - 4;
- else if (i == 3)
- e = i - 2;
+ e = i - 3;
+ else if (i >= 1)
+ e = i - 1;
else
e = 0;
}
_
Patches currently in -mm which might be from Liam.Howlett@xxxxxxxxxx are
mm-mlock-fix-vma-iterator-conversion-of-apply_vma_lock_flags.patch
maple_tree-fix-32-bit-mas_next-testing.patch
maple_tree-fix-node-allocation-testing-on-32-bit.patch
