WARNING: line length of 87 exceeds 80 columns
#31: FILE: include/linux/kthread.h:89:
+int kthread_affine_preferred_update(struct task_struct *p, const struct cpumask *mask);

total: 0 errors, 1 warnings, 0 checks, 78 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 8a3ef3ba09c6 ("kthread: Add API to update preferred affinity on kthread runtime") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 78 lines checked