Mechanism to detect low memory and cast out older page

Change-Id: Icce8e01f3d1cd2942f2b9ff802993da0441535ee
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/344
Tested-by: Jenkins Server
Reviewed-by: A. Patrick Williams III <iawillia@us.ibm.com>
Reviewed-by: Douglas R. Gilbert <dgilbert@us.ibm.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/src/kernel/vmmmgr.C b/src/kernel/vmmmgr.C
index 4009ff380..b2026944e 100644
--- a/src/kernel/vmmmgr.C
+++ b/src/kernel/vmmmgr.C
@@ -72,6 +72,16 @@ uint64_t VmmManager::findPhysicalAddress(uint64_t i_vaddr)
     return Singleton<VmmManager>::instance()._findPhysicalAddress(i_vaddr);
 }
 
+void VmmManager::castOutPages(VmmManager::castout_t i_ct)
+{
+    Singleton<VmmManager>::instance()._castOutPages(i_ct);
+}
+
+void VmmManager::flushPageTable( void )
+{
+    Singleton<VmmManager>::instance()._flushPageTable();
+}
+
 /**
  * STATIC
  * @brief DEPRECATED
@@ -184,3 +194,21 @@ int VmmManager::_mmSetPermission(void* i_va, uint64_t i_size, PAGE_PERMISSIONS i
 
     return rc;
 }
+    
+void VmmManager::_castOutPages(VmmManager::castout_t i_ct)
+{
+    lock.lock();
+
+    SegmentManager::castOutPages((uint64_t)i_ct);
+
+    lock.unlock();
+}
+
+void VmmManager::_flushPageTable( void )
+{
+    lock.lock();
+
+    PageTableManager::flush();
+
+    lock.unlock();
+}