diff mbox series

mm/migrate: remove cpages-- in migrate_vma_finalize()

Message ID 20200827190735.12752-1-rcampbell@nvidia.com (mailing list archive)
State New, archived
Headers show
Series mm/migrate: remove cpages-- in migrate_vma_finalize() | expand

Commit Message

Ralph Campbell Aug. 27, 2020, 7:07 p.m. UTC 
The variable struct migrate_vma->cpages is only used in
migrate_vma_setup(). There is no need to decrement it in
migrate_vma_finalize() since it is never checked.

Signed-off-by: Ralph Campbell <rcampbell@nvidia.com>
---

This applies to linux-mm and is for Andrew Morton's tree.

 mm/migrate.c | 1 -
 1 file changed, 1 deletion(-)
diff mbox series

Patch

diff --git a/mm/migrate.c b/mm/migrate.c
index 0b945c8031be..eb859f7a9811 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -3087,7 +3087,6 @@  void migrate_vma_finalize(struct migrate_vma *migrate)
 
 		remove_migration_ptes(page, newpage, false);
 		unlock_page(page);
-		migrate->cpages--;
 
 		if (is_zone_device_page(page))
 			put_page(page);