Use the same filter locations as zone_device folios to disallow
userland driven migration requests for private node memory.

Signed-off-by: Gregory Price <[email protected]>
---
 mm/migrate.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/migrate.c b/mm/migrate.c
index a8a86141dbb54..d20674c07b947 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -2268,7 +2268,7 @@ static int __add_folio_for_migration(struct folio *folio, 
int node,
        if (is_zero_folio(folio) || is_huge_zero_folio(folio))
                return -EFAULT;
 
-       if (folio_is_zone_device(folio))
+       if (folio_is_private_managed(folio))
                return -ENOENT;
 
        if (folio_nid(folio) == node)
@@ -2477,7 +2477,7 @@ static void do_pages_stat_array(struct mm_struct *mm, 
unsigned long nr_pages,
                if (folio) {
                        if (is_zero_folio(folio) || is_huge_zero_folio(folio))
                                err = -EFAULT;
-                       else if (folio_is_zone_device(folio))
+                       else if (folio_is_private_managed(folio))
                                err = -ENOENT;
                        else
                                err = folio_nid(folio);
-- 
2.53.0-Meta


Reply via email to