From 9c453f8784dc033a35d06dff929be1eaedb3020c Mon Sep 17 00:00:00 2001 From: Vishal Moola Date: Mon, 29 Jun 2026 11:57:39 -0700 Subject: [PATCH] x86/mm: Convert sync_global_pgds_l4() to ptdescs Convert sync_global_pgds_l4() 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/20260629185742.126987-7-vishal.moola@gmail.com --- arch/x86/mm/init_64.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index a097ec13bb0c..1441f5fbd84f 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -174,7 +174,7 @@ static void sync_global_pgds_l4(unsigned long start, unsigned long end) for (addr = start; addr <= end; addr = ALIGN(addr + 1, PGDIR_SIZE)) { pgd_t *pgd_ref = pgd_offset_k(addr); const p4d_t *p4d_ref; - struct page *page; + struct ptdesc *ptdesc; /* * With folded p4d, pgd_none() is always false, we need to @@ -187,15 +187,15 @@ static void sync_global_pgds_l4(unsigned long start, unsigned long end) continue; spin_lock(&pgd_lock); - list_for_each_entry(page, &pgd_list, lru) { + list_for_each_entry(ptdesc, &pgd_list, pt_list) { pgd_t *pgd; p4d_t *p4d; spinlock_t *pgt_lock; - pgd = (pgd_t *)page_address(page) + pgd_index(addr); + pgd = (pgd_t *)ptdesc_address(ptdesc) + pgd_index(addr); p4d = p4d_offset(pgd, addr); /* the pgt_lock only for Xen */ - pgt_lock = &pgd_page_get_mm(page)->page_table_lock; + pgt_lock = &pgd_page_get_mm(ptdesc_page(ptdesc))->page_table_lock; spin_lock(pgt_lock); if (!p4d_none(*p4d_ref) && !p4d_none(*p4d))