File xenpaging.MRU_SIZE.patch of Package xen.import4929

Subject: 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.

(xen-unstable changeset:   22447:aba70e59a90d)

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

---
 tools/xenpaging/policy_default.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: xen-4.0.2-testing/tools/xenpaging/policy_default.c
===================================================================
--- xen-4.0.2-testing.orig/tools/xenpaging/policy_default.c
+++ xen-4.0.2-testing/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];