diff options
| -rw-r--r-- | mm/vmscan.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index f69601d39a6d..397f89accdb6 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1886,7 +1886,12 @@ static unsigned noinline_for_stack move_pages_to_lru(struct lruvec *lruvec, continue; } - lruvec = mem_cgroup_page_lruvec(page, pgdat); + /* + * All pages were isolated from the same lruvec (and isolation + * inhibits memcg migration). + */ + VM_BUG_ON_PAGE(mem_cgroup_page_lruvec(page, page_pgdat(page)) + != lruvec, page); lru = page_lru(page); nr_pages = thp_nr_pages(page); |