From a0d66c63f1aa22c12209f6fc9eb99a7766a53c32 Mon Sep 17 00:00:00 2001
From: Paul Menage <menage@google.com>
Date: Thu, 2 Apr 2009 16:57:55 -0700
Subject: [PATCH] --- yaml --- r: 139677 b: refs/heads/master c:
 db7f47cf4805e30decb0841764b21b7c4000f7dc h: refs/heads/master i:   139675:
 3c87c74b584b8d62b11427e1acaf7da352869989 v: v3

---
 [refs]                |  2 +-
 trunk/init/Kconfig    |  2 +-
 trunk/kernel/cpuset.c | 15 +++++++++++++++
 3 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index b0e05b8d3300..8e1d584b5b42 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a1bc5a4eee990a1f290735c8694d0aebdad095fa
+refs/heads/master: db7f47cf4805e30decb0841764b21b7c4000f7dc
diff --git a/trunk/init/Kconfig b/trunk/init/Kconfig
index 92d410603932..1398a14b0191 100644
--- a/trunk/init/Kconfig
+++ b/trunk/init/Kconfig
@@ -531,7 +531,7 @@ config CGROUP_DEVICE
 
 config CPUSETS
 	bool "Cpuset support"
-	depends on SMP && CGROUPS
+	depends on CGROUPS
 	help
 	  This option will let you create and manage CPUSETs which
 	  allow dynamically partitioning a system into sets of CPUs and
diff --git a/trunk/kernel/cpuset.c b/trunk/kernel/cpuset.c
index 3ff910eb30d3..2b93b50cbe4b 100644
--- a/trunk/kernel/cpuset.c
+++ b/trunk/kernel/cpuset.c
@@ -517,6 +517,7 @@ static int validate_change(const struct cpuset *cur, const struct cpuset *trial)
 	return 0;
 }
 
+#ifdef CONFIG_SMP
 /*
  * Helper routine for generate_sched_domains().
  * Do cpusets a, b have overlapping cpus_allowed masks?
@@ -811,6 +812,18 @@ static void do_rebuild_sched_domains(struct work_struct *unused)
 
 	put_online_cpus();
 }
+#else /* !CONFIG_SMP */
+static void do_rebuild_sched_domains(struct work_struct *unused)
+{
+}
+
+static int generate_sched_domains(struct cpumask **domains,
+			struct sched_domain_attr **attributes)
+{
+	*domains = NULL;
+	return 1;
+}
+#endif /* CONFIG_SMP */
 
 static DECLARE_WORK(rebuild_sched_domains_work, do_rebuild_sched_domains);
 
@@ -1164,8 +1177,10 @@ int current_cpuset_is_being_rebound(void)
 
 static int update_relax_domain_level(struct cpuset *cs, s64 val)
 {
+#ifdef CONFIG_SMP
 	if (val < -1 || val >= SD_LV_MAX)
 		return -EINVAL;
+#endif
 
 	if (val != cs->relax_domain_level) {
 		cs->relax_domain_level = val;