tables: Adjust pre-allocated CS entry queue on Cs::setLimit call

Change-Id: I7611dfb671060864e40cadb707ad0a89f0359c07 Fixes: #1646
2014-06-08 10:15:20 +03:00
parent 3fff5614a5
commit 281b916a35
2 changed files with 33 additions and 4 deletions
@@ -71,13 +71,24 @@ Cs::size() const
 void
 Cs::setLimit(size_t nMaxPackets)
 {
+  size_t oldNMaxPackets = m_nMaxPackets;
  m_nMaxPackets = nMaxPackets;

-  while (isFull())
-    {
-      if (!evictItem())
-        break;
+  while (size() > m_nMaxPackets) {
+    evictItem();
+  }
+
+  if (m_nMaxPackets >= oldNMaxPackets) {
+    for (size_t i = oldNMaxPackets; i < m_nMaxPackets; i++) {
+      m_freeCsEntries.push(new cs::Entry());
    }
+  }
+  else {
+    for (size_t i = oldNMaxPackets; i > m_nMaxPackets; i--) {
+      delete m_freeCsEntries.front();
+      m_freeCsEntries.pop();
+    }
+  }
 }

 size_t