!vma->vm_file is not reliable to detect anon VMA, because not all drivers bother set it. Let's use vma_is_anonymous() instead. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> Cc: Johannes Weiner <hannes@xxxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxx> --- mm/memcontrol.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index acb93c554f6e..a624709f0dd7 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4809,7 +4809,7 @@ static struct page *mc_handle_file_pte(struct vm_area_struct *vma, struct address_space *mapping; pgoff_t pgoff; - if (!vma->vm_file) /* anonymous vma */ + if (vma_is_anonymous(vma)) /* anonymous vma */ return NULL; if (!(mc.flags & MOVE_FILE)) return NULL; -- 2.1.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>