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-rw-r--r--include/linux/kvm.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index c0d10cd8088e..dad90816cad8 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -253,6 +253,10 @@ struct kvm_signal_mask {
* return is 1 (yes) or 0 (no, sorry).
*/
#define KVM_CHECK_EXTENSION _IO(KVMIO, 0x03)
+/*
+ * Get size for mmap(vcpu_fd)
+ */
+#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
/*
* ioctls for VM fds