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-rw-r--r--include/linux/swap.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 7176ba780e83..461cf107ad52 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -527,6 +527,15 @@ static inline swp_entry_t get_swap_page(struct page *page)
#endif /* CONFIG_SWAP */
+#ifdef CONFIG_THP_SWAP
+extern int split_swap_cluster(swp_entry_t entry);
+#else
+static inline int split_swap_cluster(swp_entry_t entry)
+{
+ return 0;
+}
+#endif
+
#ifdef CONFIG_MEMCG
static inline int mem_cgroup_swappiness(struct mem_cgroup *memcg)
{