mm: remove redundant condition for THP folio

folio_test_pmd_mappable() implies folio_test_large(), therefore, simplify
the expression for is_thp.

Link: https://lkml.kernel.org/r/20241018094151.3458-1-dev.jain@arm.com
Signed-off-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/mm/migrate.c b/mm/migrate.c
index 72c6657f4f72ca67c9f2bd4fd9c1c668188e1570..dfb5eba3c522377fd878e46bb88570bc44992123 100644 (file)
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1733,7 +1733,7 @@ static int migrate_pages_batch(struct list_head *from,
 
                list_for_each_entry_safe(folio, folio2, from, lru) {
                        is_large = folio_test_large(folio);
-                       is_thp = is_large && folio_test_pmd_mappable(folio);
+                       is_thp = folio_test_pmd_mappable(folio);
                        nr_pages = folio_nr_pages(folio);
 
                        cond_resched();