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-rw-r--r--mm/swapfile.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 6460b6cb36c9..df7c4e8b089c 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -653,7 +653,8 @@ static void relocate_cluster(struct swap_info_struct *si,
return;
if (!ci->count) {
- free_cluster(si, ci);
+ if (ci->flags != CLUSTER_FLAG_FREE)
+ free_cluster(si, ci);
} else if (ci->count != SWAPFILE_CLUSTER) {
if (ci->flags != CLUSTER_FLAG_FRAG)
move_cluster(si, ci, &si->frag_clusters[ci->order],