+ def drop_caches (self, whattodrop):
+ u"""This instructs the guest kernel to drop its page cache,
+ and/or dentries and inode caches. The parameter
+ "whattodrop" tells the kernel what precisely to drop,
+ see <http://linux-mm.org/Drop_Caches>
+
+ Setting "whattodrop" to 3 should drop everything.
+
+ This automatically calls sync(2) before the operation,
+ so that the maximum guest memory is freed.
+ """
+ return libguestfsmod.drop_caches (self._o, whattodrop)
+