rmap: replace two calls to compound_order with folio_order

Removes two unnecessary conversions from folio to page.  Should be no
difference in behaviour.

Link: https://lkml.kernel.org/r/20240215205307.674707-1-willy@infradead.orgSigned-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

mm/rmap.c

@@ -2169,7 +2169,7 @@ static bool try_to_migrate_one(struct folio *folio, struct vm_area_struct *vma,
 				swp_pte = pte_swp_mkuffd_wp(swp_pte);
 			set_pte_at(mm, pvmw.address, pvmw.pte, swp_pte);
 			trace_set_migration_pte(pvmw.address, pte_val(swp_pte),
-						compound_order(&folio->page));
+						folio_order(folio));
 			/*
 			 * No need to invalidate here it will synchronize on
 			 * against the special swap migration pte.
@@ -2261,7 +2261,7 @@ static bool try_to_migrate_one(struct folio *folio, struct vm_area_struct *vma,
 			else
 				set_pte_at(mm, address, pvmw.pte, swp_pte);
 			trace_set_migration_pte(address, pte_val(swp_pte),
-						compound_order(&folio->page));
+						folio_order(folio));
 			/*
 			 * No need to invalidate here it will synchronize on
 			 * against the special swap migration pte.