WARNING: braces {} are not necessary for single statement blocks
#43: FILE: kernel/sched/isolation.c:39:
+		if (housekeeping.flags & BIT(type)) {
+			return rcu_dereference_check(housekeeping.cpumasks[type], 1);
+		}

WARNING: line length of 85 exceeds 80 columns
#44: FILE: kernel/sched/isolation.c:40:
+			return rcu_dereference_check(housekeeping.cpumasks[type], 1);

WARNING: line length of 102 exceeds 80 columns
#58: FILE: kernel/sched/isolation.c:53:
+			cpu = sched_numa_find_closest(housekeeping_cpumask(type), smp_processor_id());

WARNING: line length of 102 exceeds 80 columns
#63: FILE: kernel/sched/isolation.c:57:
+			cpu = cpumask_any_and_distribute(housekeeping_cpumask(type), cpu_online_mask);

WARNING: line length of 84 exceeds 80 columns
#109: FILE: kernel/sched/isolation.c:105:
+		struct cpumask *omask, *nmask = kmalloc(cpumask_size(), GFP_KERNEL);

WARNING: line length of 88 exceeds 80 columns
#128: FILE: kernel/sched/isolation.c:123:
+	struct cpumask *mask = memblock_alloc_or_panic(cpumask_size(), SMP_CACHE_BYTES);

total: 0 errors, 6 warnings, 0 checks, 122 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 61e2b85e8ab0 ("sched/isolation: Convert housekeeping cpumasks to rcu pointers") 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, 6 warnings, 0 checks, 122 lines checked