From 5fcb2abffe015017c252a5a720375145e808337e Mon Sep 17 00:00:00 2001 From: Vishal Moola Date: Mon, 29 Jun 2026 11:57:36 -0700 Subject: [PATCH] x86/mm/pat: Convert collapse_pmd_page() to ptdescs Convert collapse_pmd_page() to ptdescs in preparation for the eventual splitting of ptdescs from struct page. Signed-off-by: Vishal Moola Signed-off-by: Dave Hansen Reviewed-by: William Kucharski Acked-by: Mike Rapoport (Microsoft) Link: https://patch.msgid.link/20260629185742.126987-4-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);