[PATCH] mm/migrate: remove obsolete comment about device public

[Ralph Campbell]

Device public memory never had an in tree consumer and was removed in
commit 25b2995a35b6 ("mm: remove MEMORY_DEVICE_PUBLIC support").
Delete the obsolete comment.

Signed-off-by: Ralph Campbell <rcampbell@xxxxxxxxxx>
---

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

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

diff --git a/mm/migrate.c b/mm/migrate.c
index eb859f7a9811..34fdd25a26db 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -381,7 +381,7 @@ static int expected_page_refs(struct address_space *mapping, struct page *page)
 	int expected_count = 1;
 
 	/*
-	 * Device public or private pages have an extra refcount as they are
+	 * Device private pages have an extra refcount as they are
 	 * ZONE_DEVICE pages.
 	 */
 	expected_count += is_device_private_page(page);
-- 
2.20.1