WARNING: line length of 81 exceeds 80 columns
#104: FILE: mm/memcontrol.c:4658:
+					    char *buf, size_t nbytes, loff_t off)

total: 0 errors, 1 warnings, 0 checks, 92 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 d04489ca6f17 ("net-memcg: Add memory.socket_isolated knob.") 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, 1 warnings, 0 checks, 92 lines checked