diff -Nupr src.orig/fs/proc/proc_sysctl.c src/fs/proc/proc_sysctl.c --- src.orig/fs/proc/proc_sysctl.c 2016-12-15 19:55:39.084000000 +0000 +++ src/fs/proc/proc_sysctl.c 2016-12-15 19:56:00.204000000 +0000 @@ -301,6 +301,8 @@ void sysctl_head_put(struct ctl_table_he static struct ctl_table_header *sysctl_head_grab(struct ctl_table_header *head) { + if (jiffies == 0) + printk("kpatch-test: testing __bug_table section changes\n"); BUG_ON(!head); spin_lock(&sysctl_lock); if (!use_table(head))