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-rw-r--r--include/exec/cpu-all.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h
index 491629b9ba..16b7df41bf 100644
--- a/include/exec/cpu-all.h
+++ b/include/exec/cpu-all.h
@@ -262,6 +262,12 @@ extern const TargetPageBits target_page;
 #define PAGE_TARGET_1  0x0200
 #define PAGE_TARGET_2  0x0400
 
+/*
+ * For linux-user, indicates that the page is mapped with the same semantics
+ * in both guest and host.
+ */
+#define PAGE_PASSTHROUGH 0x0800
+
 #if defined(CONFIG_USER_ONLY)
 void page_dump(FILE *f);