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-rw-r--r--stand/kboot/host_syscall.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/stand/kboot/host_syscall.h b/stand/kboot/host_syscall.h
index 64288f48e6f0..c85284d03be7 100644
--- a/stand/kboot/host_syscall.h
+++ b/stand/kboot/host_syscall.h
@@ -123,6 +123,8 @@ struct host_timeval {
#define HOST_MAP_FIXED 0x10
#define HOST_MAP_ANONYMOUS 0x20
+#define HOST_MAP_FAILED ((void *)-1)
+
/* Mount flags from uapi */
#define MS_RELATIME (1 << 21)