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-rw-r--r--mm/shmem.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index bd20f8bb02aa..376d8f0a8f6b 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1097,6 +1097,10 @@ static int shmem_writepage(struct page *page, struct writeback_control *wbc)
shmem_swp_unmap(entry);
unlock:
spin_unlock(&info->lock);
+ /*
+ * add_to_swap_cache() doesn't return -EEXIST, so we can safely
+ * clear SWAP_HAS_CACHE flag.
+ */
swapcache_free(swap, NULL);
redirty:
set_page_dirty(page);