1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h
index eeaaee746bee..a73454aec333 100644
--- a/include/linux/cpuset.h
+++ b/include/linux/cpuset.h
@@ -21,6 +21,7 @@ extern int number_of_cpusets;	/* How many cpusets are defined in system? */
 extern int cpuset_init(void);
 extern void cpuset_init_smp(void);
 extern void cpuset_cpus_allowed(struct task_struct *p, struct cpumask *mask);
+extern int cpuset_cpus_allowed_fallback(struct task_struct *p);
 extern nodemask_t cpuset_mems_allowed(struct task_struct *p);
 #define cpuset_current_mems_allowed (current->mems_allowed)
 void cpuset_init_current_mems_allowed(void);
@@ -101,6 +102,12 @@ static inline void cpuset_cpus_allowed(struct task_struct *p,
         cpumask_copy(mask, cpu_possible_mask);
 }
 
+static inline int cpuset_cpus_allowed_fallback(struct task_struct *p)
+{
+        cpumask_copy(&p->cpus_allowed, cpu_possible_mask);
+        return cpumask_any(cpu_active_mask);
+}
+
 static inline nodemask_t cpuset_mems_allowed(struct task_struct *p)
 {
         return node_possible_map;