diff options
Diffstat (limited to 'mm/madvise.c')
| -rw-r--r-- | mm/madvise.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/madvise.c b/mm/madvise.c index 5f4537511532..d7b4f2602949 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -248,10 +248,13 @@ static void force_shm_swapin_readahead(struct vm_area_struct *vma, if (!xa_is_value(page)) continue; + swap = radix_to_swp_entry(page); + /* There might be swapin error entries in shmem mapping. */ + if (non_swap_entry(swap)) + continue; xas_pause(&xas); rcu_read_unlock(); - swap = radix_to_swp_entry(page); page = read_swap_cache_async(swap, GFP_HIGHUSER_MOVABLE, NULL, 0, false, &splug); if (page) |