3 files changed, 12 insertions, 2 deletions

diff --git a/include/litmus/rt_param.h b/include/litmus/rt_param.h
index a1f3613ebeed..02b750a9570b 100644
--- a/include/litmus/rt_param.h
+++ b/include/litmus/rt_param.h
@@ -284,6 +284,12 @@ struct rt_param {
         struct litmus_lock* blocked_lock;
 #endif
 
+        
+         struct task_struct*    hp_group;
+         unsigned int                   is_slave:1;
+         unsigned int                   has_slaves:1;
+
+
 #ifdef CONFIG_NP_SECTION
         /* For the FMLP under PSN-EDF, it is required to make the task
          * non-preemptive from kernel space. In order not to interfere with
diff --git a/include/litmus/unistd_32.h b/include/litmus/unistd_32.h
index 4fa514c89605..4fd92956d13f 100644
--- a/include/litmus/unistd_32.h
+++ b/include/litmus/unistd_32.h
@@ -21,4 +21,6 @@
 #define __NR_litmus_dgl_unlock  __LSC(13)
 #define __NR_register_nv_device                 __LSC(14)
 
-#define NR_litmus_syscalls 15
+#define __NR_slave_non_rt_threads       _LSC(15)
+
+#define NR_litmus_syscalls 16
diff --git a/include/litmus/unistd_64.h b/include/litmus/unistd_64.h
index f80dc45dc185..abb45c181e8e 100644
--- a/include/litmus/unistd_64.h
+++ b/include/litmus/unistd_64.h
@@ -36,5 +36,7 @@ __SYSCALL(__NR_litmus_dgl_unlock, sys_litmus_dgl_unlock)
 #define __NR_register_nv_device                 __LSC(14)
 __SYSCALL(__NR_register_nv_device, sys_register_nv_device)
 
+#define __NR_slave_non_rt_threads       __LSC(15)
+__SYSCALL(__NR_slave_non_rt_threads, sys_slave_non_rt_threads)
 
-#define NR_litmus_syscalls 15
+#define NR_litmus_syscalls 16