Changeset 2246 for trunk/host

Timestamp:

Jun 27, 2012, 10:29:47 PM (13 years ago)

Author:

ezyang

Message:

Reintegrate Fedora 17 development branch into trunk.

Location:

trunk

Files:

• . (modified) (1 prop)
• host/credit-card/host.py (modified) (3 diffs)

trunk/host/credit-card/host.py

@@ -70 +70 @@
     ]
 
+def drop_caches():
+    with open("/proc/sys/vm/drop_caches", 'w') as f:
+        f.write("1")
+
 def mkdir_p(path): # it's like mkdir -p
     try:
@@ -98 +102 @@
         self.types = types
     def __enter__(self):
+        drop_caches()
         self.dev = "/dev/%s/%s-root" % (HOST, self.guest)
 
@@ -121 +126 @@
         os.rmdir(self.mount)
         shell.call("kpartx", "-d", self.dev)
+        drop_caches()
 
 def main():