diff --git a/mm/vmscan.c b/mm/vmscan.c index cd5dc3faaa57d667f14be1074e2e00bb5db8f330..ca566640c44852ab8ce6a1681773ac7bf9b1d2a2 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -3877,7 +3877,13 @@ int node_reclaim(struct pglist_data *pgdat, gfp_t gfp_mask, unsigned int order) */ int page_evictable(struct page *page) { - return !mapping_unevictable(page_mapping(page)) && !PageMlocked(page); + int ret; + + /* Prevent address_space of inode and swap cache from being freed */ + rcu_read_lock(); + ret = !mapping_unevictable(page_mapping(page)) && !PageMlocked(page); + rcu_read_unlock(); + return ret; } #ifdef CONFIG_SHMEM