Re: [PATCH v1 17/36] mm/pagewalk: drop nth_page() usage within folio in folio_walk_start()

* David Hildenbrand david@redhat.com [250827 18:07]:

It's no longer required to use nth_page() within a folio, so let's just drop the nth_page() in folio_walk_start().

Signed-off-by: David Hildenbrand david@redhat.com

Reviewed-by: Liam R. Howlett Liam.Howlett@oracle.com

---

mm/pagewalk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/pagewalk.c b/mm/pagewalk.c index c6753d370ff4e..9e4225e5fcf5c 100644 --- a/mm/pagewalk.c +++ b/mm/pagewalk.c @@ -1004,7 +1004,7 @@ struct folio *folio_walk_start(struct folio_walk *fw, found: if (expose_page) /* Note: Offset from the mapped page, not the folio start. */

• fw->page = nth_page(page, (addr & (entry_size - 1)) >> PAGE_SHIFT);
  

• fw->page = page + ((addr & (entry_size - 1)) >> PAGE_SHIFT);
  

  else fw->page = NULL; fw->ptl = ptl;

-- 2.50.1