[PATCH v2 3/9] x86/mm/pat: Convert collapse_pmd_page() to ptdescs

[Vishal Moola <vishal.moola@gmail.com>]

Convert collapse_pmd_page() to ptdescs in preparation for the
eventual splitting of ptdescs from struct page.

Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: William Kucharski <william.kucharski@linux.dev>
Signed-off-by: Vishal Moola <vishal.moola@gmail.com>
---
 arch/x86/mm/pat/set_memory.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/mm/pat/set_memory.c b/arch/x86/mm/pat/set_memory.c
index 93cb71451ce2..45623d4c24c9 100644
--- a/arch/x86/mm/pat/set_memory.c
+++ b/arch/x86/mm/pat/set_memory.c
@@ -1297,11 +1297,11 @@ static int collapse_pmd_page(pmd_t *pmd, unsigned long addr,
 	list_add(&page_ptdesc(pmd_page(old_pmd))->pt_list, pgtables);
 
 	if (IS_ENABLED(CONFIG_X86_32)) {
-		struct page *page;
+		struct ptdesc *ptdesc;
 
 		/* Update all PGD tables to use the same large page */
-		list_for_each_entry(page, &pgd_list, lru) {
-			pgd_t *pgd = (pgd_t *)page_address(page) + pgd_index(addr);
+		list_for_each_entry(ptdesc, &pgd_list, pt_list) {
+			pgd_t *pgd = (pgd_t *)ptdesc_address(ptdesc) + pgd_index(addr);
 			p4d_t *p4d = p4d_offset(pgd, addr);
 			pud_t *pud = pud_offset(p4d, addr);
 			pmd_t *pmd = pmd_offset(pud, addr);
-- 
2.54.0