linux-kernel - linux-next: manual merge of the slab tree with the mm tree

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Date: Tue, 2 Jan 2024 15:02:24 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Vlastimil Babka <vbabka@...e.cz>, Andrew Morton
 <akpm@...ux-foundation.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>, Linux Kernel
 Mailing List <linux-kernel@...r.kernel.org>, Linux Next Mailing List
 <linux-next@...r.kernel.org>
Subject: linux-next: manual merge of the slab tree with the mm tree

Hi all,

Today's linux-next merge of the slab tree got a conflict in:

  include/linux/slab.h

between commit:

  78f5d33f3dd4 ("mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDER")

from the mm tree and commit:

  a9e0b9f27266 ("mm/slab: remove CONFIG_SLAB code from slab common code")

from the slab tree.

I fixed it up (see below) and can carry the fix as necessary. This
is now fixed as far as linux-next is concerned, but any non trivial
conflicts should be mentioned to your upstream maintainer when your tree
is submitted for merging.  You may also want to consider cooperating
with the maintainer of the conflicting tree to minimise any particularly
complex conflicts.

-- 
Cheers,
Stephen Rothwell

diff --cc include/linux/slab.h
index d63823e518c0,b2015d0e01ad..000000000000
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@@ -308,19 -307,10 +307,10 @@@ static inline unsigned int arch_slab_mi
   * (PAGE_SIZE*2).  Larger requests are passed to the page allocator.
   */
  #define KMALLOC_SHIFT_HIGH	(PAGE_SHIFT + 1)
 -#define KMALLOC_SHIFT_MAX	(MAX_ORDER + PAGE_SHIFT)
 +#define KMALLOC_SHIFT_MAX	(MAX_PAGE_ORDER + PAGE_SHIFT)
  #ifndef KMALLOC_SHIFT_LOW
- #define KMALLOC_SHIFT_LOW	5
- #endif
- #endif
- 
- #ifdef CONFIG_SLUB
- #define KMALLOC_SHIFT_HIGH	(PAGE_SHIFT + 1)
- #define KMALLOC_SHIFT_MAX	(MAX_PAGE_ORDER + PAGE_SHIFT)
- #ifndef KMALLOC_SHIFT_LOW
  #define KMALLOC_SHIFT_LOW	3
  #endif
- #endif

  /* Maximum allocatable size */
  #define KMALLOC_MAX_SIZE	(1UL << KMALLOC_SHIFT_MAX)

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