linux-kernel - [PATCH 1/5] ipc: wrap new sysctls for CRIU inside CONFIG_CHECKPOINT

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Date:	Fri, 26 Oct 2012 15:05:57 +0400
From:	Stanislav Kinsbursky <skinsbursky@...allels.com>
To:	akpm@...ux-foundation.org
Cc:	Larry.Finger@...inger.net, mitsuo.hayasaka.hu@...achi.com,
	nhorman@...driver.com, linux-doc@...r.kernel.org,
	catalin.marinas@....com, xemul@...allels.com, will.deacon@....com,
	linux-kernel@...r.kernel.org, cmetcalf@...era.com,
	dhowells@...hat.com, ebiederm@...ssion.com, rob@...dley.net,
	dan@...dstab.net, tglx@...utronix.de, paulmck@...ux.vnet.ibm.com,
	devel@...nvz.org, mtk.manpages@...il.com
Subject: [PATCH 1/5] ipc: wrap new sysctls for CRIU inside
	CONFIG_CHECKPOINT_RESTORE

This patch set wraps "msg_next_id", "sem_next_id" and "shm_next_id" inside
CONFIG_CHECKPOINT_RESTORE macro.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@...allels.com>
---
 ipc/ipc_sysctl.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/ipc/ipc_sysctl.c b/ipc/ipc_sysctl.c
index d06d77a..130dfec 100644
--- a/ipc/ipc_sysctl.c
+++ b/ipc/ipc_sysctl.c
@@ -158,7 +158,9 @@ static int proc_ipcauto_dointvec_minmax(ctl_table *table, int write,
 
 static int zero;
 static int one = 1;
+#ifdef CONFIG_CHECKPOINT_RESTORE
 static int int_max = INT_MAX;
+#endif
 
 static struct ctl_table ipc_kern_table[] = {
 	{
@@ -228,6 +230,7 @@ static struct ctl_table ipc_kern_table[] = {
 		.extra1		= &zero,
 		.extra2		= &one,
 	},
+#ifdef CONFIG_CHECKPOINT_RESTORE
 	{
 		.procname	= "sem_next_id",
 		.data		= &init_ipc_ns.ids[IPC_SEM_IDS].next_id,
@@ -255,6 +258,7 @@ static struct ctl_table ipc_kern_table[] = {
 		.extra1		= &zero,
 		.extra2		= &int_max,
 	},
+#endif
 	{}
 };
 

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