folio_mkclean() already passes down a head page, so convert it
back to a folio.
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
mm/rmap.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/mm/rmap.c b/mm/rmap.c
index d62a6fcef318..18ae6bd79efd 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -931,6 +931,7 @@ int page_referenced(struct page *page,
static bool page_mkclean_one(struct page *page, struct vm_area_struct *vma,
unsigned long address, void *arg)
{
+ struct folio *folio = page_folio(page);
struct page_vma_mapped_walk pvmw = {
.vma = vma,
.address = address,
@@ -942,7 +943,7 @@ static bool page_mkclean_one(struct page *page, struct vm_area_struct *vma,
pvmw_set_page(&pvmw, page);
/*
* We have to assume the worse case ie pmd for invalidation. Note that
- * the page can not be free from this function.
+ * the folio can not be freed from this function.
*/
mmu_notifier_range_init(&range, MMU_NOTIFY_PROTECTION_PAGE,
0, vma, vma->vm_mm, address,
@@ -974,14 +975,14 @@ static bool page_mkclean_one(struct page *page, struct vm_area_struct *vma,
if (!pmd_dirty(*pmd) && !pmd_write(*pmd))
continue;
- flush_cache_page(vma, address, page_to_pfn(page));
+ flush_cache_page(vma, address, folio_pfn(folio));
entry = pmdp_invalidate(vma, address, pmd);
entry = pmd_wrprotect(entry);
entry = pmd_mkclean(entry);
set_pmd_at(vma->vm_mm, address, pmd, entry);
ret = 1;
#else
- /* unexpected pmd-mapped page? */
+ /* unexpected pmd-mapped folio? */
WARN_ON_ONCE(1);
#endif
}
--
2.34.1
