WARNING: 'accomodate' may be misspelled - perhaps 'accommodate'?
#21: 
never expire. This approach makes it complicated to accomodate element
                                                    ^^^^^^^^^^

WARNING: line length of 88 exceeds 80 columns
#50: FILE: include/net/netfilter/nf_tables.h:839:
+	return time_after_eq64(tstamp, READ_ONCE(nft_set_ext_timeout(ext)->expiration));

WARNING: line length of 82 exceeds 80 columns
#100: FILE: net/netfilter/nf_tables_api.c:5832:
+			expires = READ_ONCE(nft_set_ext_timeout(ext)->expiration);

total: 0 errors, 3 warnings, 0 checks, 84 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 891113e663ad ("netfilter: nf_tables: zero timeout means element never times out") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 3 warnings, 0 checks, 84 lines checked