../net/ipv4/nexthop.c: note: in included file (through ../include/linux/sysctl.h, ../include/net/net_namespace.h, ../include/linux/netdevice.h, ../include/linux/rtnetlink.h):
../include/linux/rbtree.h:74:9: error: incompatible types in comparison expression (different address spaces):
../include/linux/rbtree.h:74:9:    struct rb_node [noderef] __rcu *
../include/linux/rbtree.h:74:9:    struct rb_node *
../net/ipv6/route.c:2378:39: warning: incorrect type in assignment (different base types)
../net/ipv6/route.c:2378:39:    expected unsigned int [usertype] flow_label
../net/ipv6/route.c:2378:39:    got restricted __be32
WARNING: modpost: missing MODULE_DESCRIPTION() in mm/kasan/kasan_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/tests/slub_kunit.o
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?
../net/ipv4/nexthop.c: note: in included file (through ../include/linux/sysctl.h, ../include/net/net_namespace.h, ../include/linux/netdevice.h, ../include/linux/rtnetlink.h):
../include/linux/rbtree.h:74:9: error: incompatible types in comparison expression (different address spaces):
../include/linux/rbtree.h:74:9:    struct rb_node [noderef] __rcu *
../include/linux/rbtree.h:74:9:    struct rb_node *
../net/ipv6/route.c:2378:39: warning: incorrect type in assignment (different base types)
../net/ipv6/route.c:2378:39:    expected unsigned int [usertype] flow_label
../net/ipv6/route.c:2378:39:    got restricted __be32
WARNING: modpost: missing MODULE_DESCRIPTION() in mm/kasan/kasan_test.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/tests/slub_kunit.o
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?