1 files changed, 20 insertions, 0 deletions

diff --git a/include/linux/compat.h b/include/linux/compat.h
index f9ca534787e2..c9ab2a26348c 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -161,5 +161,25 @@ int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from);
 int get_compat_sigevent(struct sigevent *event,
                 const struct compat_sigevent __user *u_event);
 
+static inline int compat_timeval_compare(struct compat_timeval *lhs,
+                                        struct compat_timeval *rhs)
+{
+        if (lhs->tv_sec < rhs->tv_sec)
+                return -1;
+        if (lhs->tv_sec > rhs->tv_sec)
+                return 1;
+        return lhs->tv_usec - rhs->tv_usec;
+}
+
+static inline int compat_timespec_compare(struct compat_timespec *lhs,
+                                        struct compat_timespec *rhs)
+{
+        if (lhs->tv_sec < rhs->tv_sec)
+                return -1;
+        if (lhs->tv_sec > rhs->tv_sec)
+                return 1;
+        return lhs->tv_nsec - rhs->tv_nsec;
+}
+
 #endif /* CONFIG_COMPAT */
 #endif /* _LINUX_COMPAT_H */