We need to use this value in the checkpoint/restart code and would like to
have a constant instead of a magic '3'.

Changelog:
    Mar 30:
            . Add CHECKPOINT_SUPPORT in Kconfig (Nathan Lynch)
    Mar 03:
            . Picked up additional use of magic '3' in ptrace.h

Signed-off-by: Dan Smith <redacted>
---
 arch/s390/Kconfig |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 2ae5d72..6f143ab 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig

@@ -49,6 +49,10 @@ config GENERIC_TIME_VSYSCALL
 config GENERIC_CLOCKEVENTS
 	def_bool y
 
+config CHECKPOINT_SUPPORT
+	bool
+	default y if 64BIT
+
 config GENERIC_BUG
 	bool
 	depends on BUG

-- 
1.6.0.4