Extern or forward variable declaration include/linux/irq.h, line 83 [usage...] include/linux/profile.h, line 16 [usage...] include/linux/reiserfs_fs_sb.h, line 274 [usage...] include/net/net_namespace.h, line 24 [usage...] net/8021q/vlan.h, line 125 [usage...] Structure include/linux/proc_fs.h, line 51 [usage...] Class, struct, or union member include/net/if_inet6.h, line 154 [usage...]