loss_interval: Make dccp_li_hist_entry_{new,delete} private

Not used outside the loss_interval code anymore.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/net/dccp/ccids/lib/loss_interval.c b/net/dccp/ccids/lib/loss_interval.c
index 8ac68c6..28eac9b 100644
--- a/net/dccp/ccids/lib/loss_interval.c
+++ b/net/dccp/ccids/lib/loss_interval.c
@@ -62,6 +62,20 @@
 
 EXPORT_SYMBOL_GPL(dccp_li_hist_delete);
 
+static inline struct dccp_li_hist_entry *
+		dccp_li_hist_entry_new(struct dccp_li_hist *hist,
+				       const gfp_t prio)
+{
+	return kmem_cache_alloc(hist->dccplih_slab, prio);
+}
+
+static inline void dccp_li_hist_entry_delete(struct dccp_li_hist *hist,
+					     struct dccp_li_hist_entry *entry)
+{
+	if (entry != NULL)
+		kmem_cache_free(hist->dccplih_slab, entry);
+}
+
 void dccp_li_hist_purge(struct dccp_li_hist *hist, struct list_head *list)
 {
 	struct dccp_li_hist_entry *entry, *next;