[PATCH v2 10/10] s390/hugetlb: convert PG_arch_1 code to work on folio->flags

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Let's make it clearer that we are always working on folio flags and
never page flags of tail pages.

Signed-off-by: David Hildenbrand <david@xxxxxxxxxx>
---
 arch/s390/mm/gmap.c        | 4 ++--
 arch/s390/mm/hugetlbpage.c | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index 0351cb139df4..9eea05cd93b7 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -2648,7 +2648,7 @@ static int __s390_enable_skey_hugetlb(pte_t *pte, unsigned long addr,
 {
 	pmd_t *pmd = (pmd_t *)pte;
 	unsigned long start, end;
-	struct page *page = pmd_page(*pmd);
+	struct folio *folio = page_folio(pmd_page(*pmd));
 
 	/*
 	 * The write check makes sure we do not set a key on shared
@@ -2663,7 +2663,7 @@ static int __s390_enable_skey_hugetlb(pte_t *pte, unsigned long addr,
 	start = pmd_val(*pmd) & HPAGE_MASK;
 	end = start + HPAGE_SIZE - 1;
 	__storage_key_init_range(start, end);
-	set_bit(PG_arch_1, &page->flags);
+	set_bit(PG_arch_1, &folio->flags);
 	cond_resched();
 	return 0;
 }
diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c
index c2e8242bd15d..a32047315f9a 100644
--- a/arch/s390/mm/hugetlbpage.c
+++ b/arch/s390/mm/hugetlbpage.c
@@ -121,7 +121,7 @@ static inline pte_t __rste_to_pte(unsigned long rste)
 
 static void clear_huge_pte_skeys(struct mm_struct *mm, unsigned long rste)
 {
-	struct page *page;
+	struct folio *folio;
 	unsigned long size, paddr;
 
 	if (!mm_uses_skeys(mm) ||
@@ -129,16 +129,16 @@ static void clear_huge_pte_skeys(struct mm_struct *mm, unsigned long rste)
 		return;
 
 	if ((rste & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R3) {
-		page = pud_page(__pud(rste));
+		folio = page_folio(pud_page(__pud(rste)));
 		size = PUD_SIZE;
 		paddr = rste & PUD_MASK;
 	} else {
-		page = pmd_page(__pmd(rste));
+		folio = page_folio(pmd_page(__pmd(rste)));
 		size = PMD_SIZE;
 		paddr = rste & PMD_MASK;
 	}
 
-	if (!test_and_set_bit(PG_arch_1, &page->flags))
+	if (!test_and_set_bit(PG_arch_1, &folio->flags))
 		__storage_key_init_range(paddr, paddr + size - 1);
 }
 
-- 
2.44.0





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