diff -Nupr src/fs/proc/cmdline.c src/fs/proc/cmdline.c

--- src/fs/proc/cmdline.c	2020-03-11 11:23:26.878602482 +0000

+++ src/fs/proc/cmdline.c	2020-03-11 11:38:10.295599825 +0000

@@ -17,3 +17,10 @@ static int __init proc_cmdline_init(void

 	return 0;

 }

 fs_initcall(proc_cmdline_init);

+

+#include <linux/printk.h>

+void kpatch_print_message(void)

+{

+	if (!jiffies)

+		printk("hello there!\n");

+}

diff -Nupr src/fs/proc/meminfo.c src/fs/proc/meminfo.c

--- src/fs/proc/meminfo.c	2020-03-11 11:23:26.882602572 +0000

+++ src/fs/proc/meminfo.c	2020-03-11 11:38:10.295599825 +0000

@@ -20,6 +20,8 @@

 #include <asm/pgtable.h>

 #include "internal.h"

+void kpatch_print_message(void);

+

 void __attribute__((weak)) arch_report_meminfo(struct seq_file *m)

 {

 }

@@ -56,6 +58,7 @@ static int meminfo_proc_show(struct seq_

 	sreclaimable = global_node_page_state(NR_SLAB_RECLAIMABLE);

 	sunreclaim = global_node_page_state(NR_SLAB_UNRECLAIMABLE);

+	kpatch_print_message();

 	show_val_kb(m, "MemTotal:       ", i.totalram);

 	show_val_kb(m, "MemFree:        ", i.freeram);

 	show_val_kb(m, "MemAvailable:   ", available);