WARN_ON used a wrong logic operator so the warning triggered
with no reason. This slipped on rebase. Use the proper condition
so the warning is valid.

Fixes: b8bc3dbf5e18 ("mm: per memory cgroup page cache limit")

https://jira.sw.ru/browse/PSBM-144609
Signed-off-by: Alexander Atanasov <alexander.atana...@virtuozzo.com>
---
 mm/memcontrol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 025e38242681..30a9c52f5b7f 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -7686,7 +7686,7 @@ void mem_cgroup_migrate(struct folio *old, struct folio 
*new)
                        page_counter_charge(&memcg->memsw, nr_pages);
        }
 
-       WARN_ON((!PageAnon(&new->page) && !PageSwapBacked(&new->page)) |
+       WARN_ON((!PageAnon(&new->page) && !PageSwapBacked(&new->page)) !=
                folio_memcg_cache(new));
 
        if (folio_memcg_cache(new))
-- 
2.31.1

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