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

--- src.orig/fs/proc/meminfo.c	2020-05-12 11:14:29.250791853 -0400

+++ src/fs/proc/meminfo.c	2020-05-12 11:15:10.778992066 -0400

@@ -41,6 +41,7 @@ static int meminfo_proc_show(struct seq_

 	unsigned long sreclaimable, sunreclaim;

 	int lru;

+	printk("a\n");

 	si_meminfo(&i);

 	si_swapinfo(&i);

 	committed = percpu_counter_read_positive(&vm_committed_as);

@@ -153,6 +154,7 @@ static int meminfo_proc_show(struct seq_

 static int __init proc_meminfo_init(void)

 {

+	printk("a\n");

 	proc_create_single("meminfo", 0, NULL, meminfo_proc_show);

 	return 0;

 }