1 files changed, 6 insertions, 0 deletions

diff --git a/mm/zswap.c b/mm/zswap.c
index c004aa4fd3f4..61a5c41972db 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -1007,6 +1007,12 @@ static int zswap_frontswap_store(unsigned type, pgoff_t offset,
         u8 *src, *dst;
         struct zswap_header zhdr = { .swpentry = swp_entry(type, offset) };
 
+        /* THP isn't supported */
+        if (PageTransHuge(page)) {
+                ret = -EINVAL;
+                goto reject;
+        }
+
         if (!zswap_enabled || !tree) {
                 ret = -ENODEV;
                 goto reject;