linux-kernel - [RFC v17][PATCH 53/60] c/r: (s390): expose a constant for the number of words (CRs)

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Message-Id: <1248256822-23416-54-git-send-email-orenl@librato.com>
Date:	Wed, 22 Jul 2009 06:00:15 -0400
From:	Oren Laadan <orenl@...rato.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Linus Torvalds <torvalds@...l.org>,
	containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-api@...r.kernel.org, Serge Hallyn <serue@...ibm.com>,
	Dave Hansen <dave@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Pavel Emelyanov <xemul@...nvz.org>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Oren Laadan <orenl@...rato.com>, Dan Smith <danms@...ibm.com>
Subject: [RFC v17][PATCH 53/60] c/r: (s390): expose a constant for the number of words (CRs)

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 <danms@...ibm.com>
---
 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

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