link_head        1629 fs/proc/proc_sysctl.c 		struct ctl_table_header *link_head;
link_head        1633 fs/proc/proc_sysctl.c 		link = find_entry(&link_head, core_parent, name, strlen(name));
link_head        1637 fs/proc/proc_sysctl.c 			drop_sysctl_table(link_head);