diff options
| author | Vishal Moola (Oracle) <vishal.moola@gmail.com> | 2025-06-10 17:12:54 -0700 |
|---|---|---|
| committer | Geert Uytterhoeven <geert@linux-m68k.org> | 2025-06-30 21:20:17 +0200 |
| commit | 66aebe56de3380365c005a79cc210e225e65f76a (patch) | |
| tree | 224a0d97e344416431090aca7f43ef89152cceee | |
| parent | 5bea64689d9f96eff16438273b8576367aa7ba05 (diff) | |
m68k: mm: Convert init_pointer_table() to use ptdescs
Motorola uses init_pointer_table() for page tables, so it should be using
struct ptdesc, not struct page.
This helps us prepare to allocate ptdescs as their own memory
descriptor, and prepares to remove a user of page->lru.
Signed-off-by: "Vishal Moola (Oracle)" <vishal.moola@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/20250611001255.527952-4-vishal.moola@gmail.com
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
| -rw-r--r-- | arch/m68k/mm/motorola.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/m68k/mm/motorola.c b/arch/m68k/mm/motorola.c index 6d655ef349b4..8b73807dca90 100644 --- a/arch/m68k/mm/motorola.c +++ b/arch/m68k/mm/motorola.c @@ -121,10 +121,10 @@ void __init init_pointer_table(void *table, int type) { ptable_desc *dp; unsigned long ptable = (unsigned long)table; - unsigned long page = ptable & PAGE_MASK; - unsigned int mask = 1U << ((ptable - page)/ptable_size(type)); + unsigned long pt_addr = ptable & PAGE_MASK; + unsigned int mask = 1U << ((ptable - pt_addr)/ptable_size(type)); - dp = PD_PTABLE(page); + dp = PD_PTABLE(pt_addr); if (!(PD_MARKBITS(dp) & mask)) { PD_MARKBITS(dp) = ptable_mask(type); list_add(dp, &ptable_list[type]); @@ -133,9 +133,9 @@ void __init init_pointer_table(void *table, int type) PD_MARKBITS(dp) &= ~mask; pr_debug("init_pointer_table: %lx, %x\n", ptable, PD_MARKBITS(dp)); - /* unreserve the page so it's possible to free that page */ - __ClearPageReserved(PD_PAGE(dp)); - init_page_count(PD_PAGE(dp)); + /* unreserve the ptdesc so it's possible to free that ptdesc */ + __ClearPageReserved(ptdesc_page(PD_PTDESC(dp))); + init_page_count(ptdesc_page(PD_PTDESC(dp))); return; } |