Documentation/.renames.txt: warning: ignored by one of the .gitignore files ld.lld: error: undefined symbol: rhtab_map_ops >>> referenced by usercopy_64.c >>> vmlinux.o:(bpf_map_types) >>> did you mean: htab_map_ops >>> defined in: vmlinux.o make[3]: *** [../scripts/Makefile.vmlinux:72: vmlinux.unstripped] Error 1 make[2]: *** [/srv/nipa-poller/bpf-next/wt-0/Makefile:1277: vmlinux] Error 2 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [/srv/nipa-poller/bpf-next/wt-0/Makefile:248: __sub-make] Error 2 make: *** [Makefile:248: __sub-make] Error 2 Documentation/.renames.txt: warning: ignored by one of the .gitignore files ../kernel/bpf/hashtab.c:2722:27: warning: unused function 'rhtab_iter_next' [-Wunused-function] 2722 | static struct rhtab_elem *rhtab_iter_next(struct rhashtable_iter *iter) | ^~~~~~~~~~~~~~~ 1 warning generated.