Extern or forward variable declaration arch/x86/include/asm/nmi.h, line 42 [usage...] include/linux/fs.h, line 2217 [usage...] include/linux/hugetlb.h, line 12 [usage...] include/linux/mmzone.h, line 744 [usage...] include/linux/proc_fs.h, line 280 [usage...] include/linux/security.h, line 40 [usage...] include/linux/sysctl.h, line 946 [usage...] include/linux/writeback.h, line 123 [usage...] include/net/ax25.h, line 211 [usage...] include/net/ndisc.h, line 57 [usage...] include/net/net_namespace.h, line 225 [usage...] Typedef include/linux/sysctl.h, line 973 [usage...] Structure include/linux/sysctl.h, line 1051 [usage...] Class, struct, or union member arch/s390/appldata/appldata.h, line 36 [usage...] include/linux/sysctl.h, line 1079 [usage...] include/net/netfilter/nf_conntrack_l3proto.h, line 63 [usage...] include/net/netfilter/nf_conntrack_l4proto.h, line 79 [usage...]