xenpaging: increase recently used pages from 4MB to 64MB

Increase recently used pages from 4MB to 64MB.  Keeping more pages in
memory allows the guest to make more progress if the paging file spans
the entire guest memory.

Signed-off-by: Olaf Hering <olaf@aepfle.de>

diff --git a/tools/xenpaging/policy_default.c b/tools/xenpaging/policy_default.c
index 5768e691e98c41d45ff012fe88b2afb06124f899..a2182d16fc5fdbf12d157d082014e717d974efbe 100644 (file)
--- a/tools/xenpaging/policy_default.c
+++ b/tools/xenpaging/policy_default.c
@@ -26,7 +26,7 @@
 #include "policy.h"
 
 
-#define MRU_SIZE 1024
+#define MRU_SIZE (1024 * 16)
 
 
 static unsigned long mru[MRU_SIZE];