diff -Nupr src.orig/fs/proc/array.c src/fs/proc/array.c
--- src.orig/fs/proc/array.c	2016-12-15 19:55:39.080000000 +0000
+++ src/fs/proc/array.c	2016-12-15 19:58:00.840000000 +0000
@@ -334,13 +334,20 @@ static inline void task_seccomp(struct s
 #endif
 }
 
+#include "kpatch.h"
 static inline void task_context_switch_counts(struct seq_file *m,
 						struct task_struct *p)
 {
+	int *newpid;
+
 	seq_printf(m,	"voluntary_ctxt_switches:\t%lu\n"
 			"nonvoluntary_ctxt_switches:\t%lu\n",
 			p->nvcsw,
 			p->nivcsw);
+
+	newpid = kpatch_shadow_get(p, "newpid");
+	if (newpid)
+		seq_printf(m, "newpid:\t%d\n", *newpid);
 }
 
 static void task_cpus_allowed(struct seq_file *m, struct task_struct *task)
diff -Nupr src.orig/kernel/exit.c src/kernel/exit.c
--- src.orig/kernel/exit.c	2016-12-15 19:56:00.184000000 +0000
+++ src/kernel/exit.c	2016-12-15 19:58:00.840000000 +0000
@@ -650,6 +650,7 @@ static void check_stack_usage(void)
 static inline void check_stack_usage(void) {}
 #endif
 
+#include "kpatch.h"
 void do_exit(long code)
 {
 	struct task_struct *tsk = current;
@@ -758,6 +759,8 @@ void do_exit(long code)
 
 	cgroup_exit(tsk);
 
+	kpatch_shadow_free(tsk, "newpid");
+
 	/*
 	 * FIXME: do that only when needed, using sched_exit tracepoint
 	 */
diff -Nupr src.orig/kernel/fork.c src/kernel/fork.c
--- src.orig/kernel/fork.c	2016-12-15 19:56:00.184000000 +0000
+++ src/kernel/fork.c	2016-12-15 19:58:00.840000000 +0000
@@ -1726,6 +1726,7 @@ struct task_struct *fork_idle(int cpu)
  * It copies the process, and if successful kick-starts
  * it and waits for it to finish using the VM if required.
  */
+#include "kpatch.h"
 long _do_fork(unsigned long clone_flags,
 	      unsigned long stack_start,
 	      unsigned long stack_size,
@@ -1764,6 +1765,13 @@ long _do_fork(unsigned long clone_flags,
 	if (!IS_ERR(p)) {
 		struct completion vfork;
 		struct pid *pid;
+		int *newpid;
+		static int ctr = 0;
+
+		newpid = kpatch_shadow_alloc(p, "newpid", sizeof(*newpid),
+					     GFP_KERNEL);
+		if (newpid)
+			*newpid = ctr++;
 
 		trace_sched_process_fork(current, p);