WARNING: line length of 81 exceeds 80 columns
#40: FILE: lib/buildid.c:33:
+				   struct address_space *mapping, bool may_fault)

WARNING: line length of 89 exceeds 80 columns
#94: FILE: lib/buildid.c:298:
+	freader_init_from_file(&r, buf, sizeof(buf), vma->vm_file->f_mapping, may_fault);

WARNING: line length of 92 exceeds 80 columns
#113: FILE: lib/buildid.c:337:
+int build_id_parse_nofault(struct vm_area_struct *vma, unsigned char *build_id, __u32 *size)

total: 0 errors, 3 warnings, 0 checks, 96 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 9274c49f1d3d ("lib/buildid: implement sleepable build_id_parse() API") 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, 96 lines checked