diff -u --recursive --new-file linux/arch/i386/config.in /raiddisk/john/linux/arch/i386/config.in
--- linux/arch/i386/config.in	Fri Feb 14 18:56:20 1997
+++ /raiddisk/john/linux/arch/i386/config.in	Mon Aug 14 20:12:45 2000
@@ -157,6 +157,14 @@
 mainmenu_option next_comment
 comment 'General setup'
 
+if [ "$CONFIG_SMP" = "y" ]; then
+  bool 'Support for Application/System Processor Splitting' CONFIG_APPPROC
+  if [ "$CONFIG_APPPROC" = "y" ]; then 
+    int '  Total Number of Processors in the System' CONFIG_APPPROC_TOTALNUM 2
+    int '  Number of Processors to reserve as Application Processors' CONFIG_APPPROC_APPNUM 1
+  fi
+fi
+
 bool 'Networking support' CONFIG_NET
 bool 'SGI Visual Workstation support' CONFIG_VISWS
 if [ "$CONFIG_VISWS" = "y" ]; then
diff -u --recursive --new-file linux/include/linux/interrupt.h /raiddisk/john/linux/include/linux/interrupt.h
--- linux/include/linux/interrupt.h	Mon Aug 21 14:36:05 2000
+++ /raiddisk/john/linux/include/linux/interrupt.h	Mon Aug 14 22:54:37 2000
@@ -159,7 +159,12 @@
 	if (!test_and_set_bit(TASKLET_STATE_SCHED, &t->state)) {
 		int cpu = smp_processor_id();
 		unsigned long flags;
-
+	   
+#ifdef CONFIG_APPPROC    /* there has to be a batter way.... */
+	        if ((1<<cpu) & APPPROC_MASK) 
+		   cpu = cpu % (CONFIG_APPPROC_TOTALNUM - CONFIG_APPPROC_APPNUM);
+#endif
+	     
 		local_irq_save(flags);
 		t->next = tasklet_vec[cpu].list;
 		tasklet_vec[cpu].list = t;
@@ -173,6 +178,11 @@
 	if (!test_and_set_bit(TASKLET_STATE_SCHED, &t->state)) {
 		int cpu = smp_processor_id();
 		unsigned long flags;
+   
+#ifdef CONFIG_APPPROC    /* there has to be a batter way.... */
+	        if ((1<<cpu) & APPPROC_MASK)
+	          cpu = cpu % (CONFIG_APPPROC_TOTALNUM - CONFIG_APPPROC_APPNUM);
+#endif
 
 		local_irq_save(flags);
 		t->next = tasklet_hi_vec[cpu].list;
diff -u --recursive --new-file linux/include/linux/prctl.h /raiddisk/john/linux/include/linux/prctl.h
--- linux/include/linux/prctl.h	Sun Mar 19 14:15:32 2000
+++ /raiddisk/john/linux/include/linux/prctl.h	Mon Aug 14 21:16:43 2000
@@ -20,4 +20,8 @@
 #define PR_GET_KEEPCAPS   7
 #define PR_SET_KEEPCAPS   8
 
+/* Get/Set cpus_allowed */
+#define PR_SET_CPUSALLOWED 9
+#define PR_GET_CPUSALLOWED 10
+
 #endif /* _LINUX_PRCTL_H */
diff -u --recursive --new-file linux/include/linux/sched.h /raiddisk/john/linux/include/linux/sched.h
--- linux/include/linux/sched.h	Mon Aug 21 14:36:05 2000
+++ /raiddisk/john/linux/include/linux/sched.h	Mon Aug 14 22:56:15 2000
@@ -66,6 +66,12 @@
 #define CT_TO_SECS(x)	((x) / HZ)
 #define CT_TO_USECS(x)	(((x) % HZ) * 1000000/HZ)
 
+#ifdef CONFIG_APPPROC
+#  define APPPROC_MASK ( ((1<<CONFIG_APPPROC_TOTALNUM)-1) - ((1<<(CONFIG_APPPROC_TOTALNUM-CONFIG_APPPROC_APPNUM))-1) )
+#else
+#  define APPPROC_MASK -1
+#endif
+
 extern int nr_running, nr_threads;
 extern int last_pid;
 
@@ -426,7 +432,7 @@
     policy:		SCHED_OTHER,					\
     mm:			NULL,						\
     active_mm:		&init_mm,					\
-    cpus_allowed:	-1,						\
+    cpus_allowed:	~APPPROC_MASK,			       		\
     run_list:		LIST_HEAD_INIT(tsk.run_list),			\
     next_task:		&tsk,						\
     prev_task:		&tsk,						\
diff -u --recursive --new-file linux/kernel/fork.c /raiddisk/john/linux/kernel/fork.c
--- linux/kernel/fork.c	Mon Aug 21 14:36:05 2000
+++ /raiddisk/john/linux/kernel/fork.c	Mon Aug 14 21:24:52 2000
@@ -613,6 +613,9 @@
 		int i;
 		p->has_cpu = 0;
 		p->processor = current->processor;
+#ifdef CONFIG_APPPROC
+	        p->cpus_allowed = current->cpus_allowed;
+#endif
 		/* ?? should we just memset this ?? */
 		for(i = 0; i < smp_num_cpus; i++)
 			p->per_cpu_utime[i] = p->per_cpu_stime[i] = 0;
diff -u --recursive --new-file linux/kernel/sys.c /raiddisk/john/linux/kernel/sys.c
--- linux/kernel/sys.c	Mon Aug 21 14:36:05 2000
+++ /raiddisk/john/linux/kernel/sys.c	Sun Aug 20 18:08:14 2000
@@ -14,6 +14,7 @@
 #include <linux/prctl.h>
 #include <linux/init.h>
 #include <linux/highuid.h>
+#include <linux/sched.h>
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
@@ -1155,7 +1156,8 @@
 {
 	int error = 0;
 	int sig;
-
+        struct task_struct *p;
+      
 	switch (option) {
 		case PR_SET_PDEATHSIG:
 			sig = arg2;
@@ -1206,6 +1208,33 @@
 			}
 			current->keep_capabilities = arg2;
 			break;
+#ifdef CONFIG_APPPROC
+	        case PR_SET_CPUSALLOWED:
+	                if (arg2 == 0) {
+			   current->cpus_allowed = arg3;
+			   current->need_resched = 1;
+	                } else {
+			   p = find_task_by_pid(arg2);
+			   if (!p) {
+			      error = -EINVAL; break; 
+			   }
+			   p->cpus_allowed = arg3;
+			   p->need_resched = 1;
+			}
+	                break;
+	        case PR_GET_CPUSALLOWED:
+	                if (arg2==0) {
+			   error = put_user(current->cpus_allowed, (long *)arg3);
+			} else {
+			   p = find_task_by_pid(arg2);
+			   if (!p) {
+			      error = -EINVAL;
+			      break;
+			   }
+			   error = put_user(p->cpus_allowed, (long *)arg3);
+			}
+	                break;
+#endif
 		default:
 			error = -EINVAL;
 			break;