The quilt patch titled
Subject: mm/slub: fix MAX_ORDER usage in calculate_order()
has been removed from the -mm tree. Its filename was
mm-slub-fix-max_order-usage-in-calculate_order.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: "Kirill A. Shutemov" <kirill.shutemov@xxxxxxxxxxxxxxx>
Subject: mm/slub: fix MAX_ORDER usage in calculate_order()
Date: Wed, 15 Mar 2023 14:31:31 +0300
MAX_ORDER is not inclusive: the maximum allocation order buddy allocator
can deliver is MAX_ORDER-1.
Fix MAX_ORDER usage in calculate_order().
Link: https://lkml.kernel.org/r/20230315113133.11326-9-kirill.shutemov@xxxxxxxxxxxxxxx
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxx>
Cc: Pekka Enberg <penberg@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/slub.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/slub.c~mm-slub-fix-max_order-usage-in-calculate_order
+++ a/mm/slub.c
@@ -4171,7 +4171,7 @@ static inline int calculate_order(unsign
/*
* Doh this slab cannot be placed using slub_max_order.
*/
- order = calc_slab_order(size, 1, MAX_ORDER, 1);
+ order = calc_slab_order(size, 1, MAX_ORDER - 1, 1);
if (order < MAX_ORDER)
return order;
return -ENOSYS;
_
Patches currently in -mm which might be from kirill.shutemov@xxxxxxxxxxxxxxx are
