Signed-off-by: Haozhong Zhang <haozhong.zh...@intel.com>
---
 include/linux/kvm_host.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 6882538eda32..caf6f7a6bdb2 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -27,6 +27,7 @@
 #include <linux/irqbypass.h>
 #include <linux/swait.h>
 #include <linux/refcount.h>
+#include <linux/pfn_t.h>
 #include <asm/signal.h>
 
 #include <linux/kvm.h>
@@ -67,6 +68,9 @@
 #define KVM_PFN_ERR_HWPOISON   (KVM_PFN_ERR_MASK + 1)
 #define KVM_PFN_ERR_RO_FAULT   (KVM_PFN_ERR_MASK + 2)
 
+#define pfn_t_to_kvm_pfn_t(x)  pfn_t_to_pfn(x)
+#define kvm_pfn_t_to_pfn_t(x)  pfn_to_pfn_t((x) & ~KVM_PFN_ERR_NOSLOT_MASK)
+
 /*
  * error pfns indicate that the gfn is in slot but faild to
  * translate it to pfn on host.
-- 
2.14.1

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