sparc64: convert various functions to use ptdescs

As part of the conversions to replace pgtable constructor/destructors with
ptdesc equivalents, convert various page table functions to use ptdescs.

Link: https://lkml.kernel.org/r/20230807230513.102486-29-vishal.moola@gmail.com
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Claudio Imbrenda <imbrenda@linux.ibm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Guo Ren <guoren@kernel.org>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 0d7fd793924c85d7642bd075070276971bffeb83..9a63a3e08e40c1625060605f17c0e92140bf4c02 100644 (file)
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2893,14 +2893,15 @@ pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 
 pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
-       struct page *page = alloc_page(GFP_KERNEL | __GFP_ZERO);
-       if (!page)
+       struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL | __GFP_ZERO, 0);
+
+       if (!ptdesc)
                return NULL;
-       if (!pgtable_pte_page_ctor(page)) {
-               __free_page(page);
+       if (!pagetable_pte_ctor(ptdesc)) {
+               pagetable_free(ptdesc);
                return NULL;
        }
-       return (pte_t *) page_address(page);
+       return ptdesc_address(ptdesc);
 }
 
 void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
@@ -2910,10 +2911,10 @@ void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 
 static void __pte_free(pgtable_t pte)
 {
-       struct page *page = virt_to_page(pte);
+       struct ptdesc *ptdesc = virt_to_ptdesc(pte);
 
-       pgtable_pte_page_dtor(page);
-       __free_page(page);
+       pagetable_pte_dtor(ptdesc);
+       pagetable_free(ptdesc);
 }
 
 void pte_free(struct mm_struct *mm, pgtable_t pte)