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);