Adding a basic interface and implementation to the Segment/Block

path to update the LRU statistics when the PageTableManager code
clears the reference bit.  This is not meant to be a complete
implementation (different Task is open for that).

This is Task 3400.

Change-Id: If67efd16ead6f68a74f5f5a698013c1b852864d9
Reviewed-on: http://gfw160.austin.ibm.com:8080/gerrit/231
Tested-by: Jenkins Server
Reviewed-by: Daniel M. Crowell <dcrowell@us.ibm.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/kernel/basesegment.C b/src/kernel/basesegment.C
index 2dc99d458..72ace03c8 100644
--- a/src/kernel/basesegment.C
+++ b/src/kernel/basesegment.C
@@ -136,3 +136,9 @@ uint64_t BaseSegment::findPhysicalAddress(uint64_t i_vaddr) const
     return (iv_block ? iv_block->findPhysicalAddress(i_vaddr) : -EFAULT);
 }
 
+void BaseSegment::updateRefCount( uint64_t i_vaddr,
+				  PageTableManager::UsageStats_t i_stats )
+{
+    // Just call over to block chain
+    iv_block->updateRefCount(i_vaddr, i_stats);
+}