+ m68k-remove-use-of-page-index.patch added to mm-new branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: m68k: remove use of page->index
has been added to the -mm mm-new branch.  Its filename is
     m68k-remove-use-of-page-index.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/m68k-remove-use-of-page-index.patch

This patch will later appear in the mm-new branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Note, mm-new is a provisional staging ground for work-in-progress
patches, and acceptance into mm-new is a notification for others take
notice and to finish up reviews.  Please do not hesitate to respond to
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fixup patches in mm-new.

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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: m68k: remove use of page->index
Date: Fri, 16 May 2025 16:13:29 +0100

Switch to using struct ptdesc to store the markbits which will allow us to
remove index from struct page.

Link: https://lkml.kernel.org/r/20250516151332.3705351-1-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/m68k/mm/motorola.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/arch/m68k/mm/motorola.c~m68k-remove-use-of-page-index
+++ a/arch/m68k/mm/motorola.c
@@ -105,7 +105,8 @@ static struct list_head ptable_list[3] =
 
 #define PD_PTABLE(page) ((ptable_desc *)&(virt_to_page((void *)(page))->lru))
 #define PD_PAGE(ptable) (list_entry(ptable, struct page, lru))
-#define PD_MARKBITS(dp) (*(unsigned int *)&PD_PAGE(dp)->index)
+#define PD_PTDESC(ptable) (list_entry(ptable, struct ptdesc, pt_list))
+#define PD_MARKBITS(dp) (*(unsigned int *)&PD_PTDESC(dp)->pt_index)
 
 static const int ptable_shift[3] = {
 	7+2, /* PGD */
_

Patches currently in -mm which might be from willy@infradead.org are

highmem-add-folio_test_partial_kmap.patch
m68k-remove-use-of-page-index.patch
mm-rename-page-index-to-page-__folio_index.patch
ntfs3-use-folios-more-in-ntfs_compress_write.patch
iov-remove-copy_page_from_iter_atomic.patch