Add virtio-balloon support
This adds a VirtIO based balloon driver. It uses madvise() to actually balloon
the memory when possible.
Until 2.6.27, KVM forced memory pinning so we must disable ballooning unless the
kernel actually supports it when using KVM. It's always safe when using TCG.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5874 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/kvm.h b/kvm.h
index fb952a3..ec0083f 100644
--- a/kvm.h
+++ b/kvm.h
@@ -42,6 +42,9 @@
int kvm_log_start(target_phys_addr_t phys_addr, target_phys_addr_t len);
int kvm_log_stop(target_phys_addr_t phys_addr, target_phys_addr_t len);
+
+int kvm_has_sync_mmu(void);
+
/* internal API */
struct KVMState;
