From 45e877812926c69d643d6274347f79513a4ee934 Mon Sep 17 00:00:00 2001
From: "H. J. Lu" <hjl.tools@gmail.com>
Date: Fri, 10 Feb 2012 14:04:27 -0800
Subject: [PATCH] compat: Introduce COMPAT_USE_64BIT_TIME

Allow a compatibility ABI to use a 64-bit time_t and 64-bit members in
struct timeval and struct timespec to avoid the Y2038 problem.

This will be used for the x32 ABI.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---
 include/linux/compat.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/compat.h b/include/linux/compat.h
index 41c9f6515f4..1be91c04824 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -19,6 +19,10 @@
 #include <asm/siginfo.h>
 #include <asm/signal.h>
 
+#ifndef COMPAT_USE_64BIT_TIME
+#define COMPAT_USE_64BIT_TIME 0
+#endif
+
 #define compat_jiffies_to_clock_t(x)	\
 		(((unsigned long)(x) * COMPAT_USER_HZ) / HZ)