Commit e9471598 authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle) Committed by Andrew Morton
Browse files

m68k: remove use of page->index 

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: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent c544a952

arch/m68k/mm/motorola.c

+2 −1
Original line number Diff line number Diff line
@@ -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 */