WARNING: Do not crash the kernel unless it is absolutely unavoidable--use WARN_ON_ONCE() plus recovery code (if feasible) instead of BUG() or variants
#48: FILE: include/linux/page_frag_cache.h:78:
+		VM_BUG_ON(!nc->pagecnt_bias);

WARNING: Do not crash the kernel unless it is absolutely unavoidable--use WARN_ON_ONCE() plus recovery code (if feasible) instead of BUG() or variants
#52: FILE: include/linux/page_frag_cache.h:82:
+	VM_BUG_ON(used_sz > pfrag->size);

WARNING: Do not crash the kernel unless it is absolutely unavoidable--use WARN_ON_ONCE() plus recovery code (if feasible) instead of BUG() or variants
#53: FILE: include/linux/page_frag_cache.h:83:
+	VM_BUG_ON(pfrag->page != page_frag_encoded_page_ptr(nc->encoded_page));

WARNING: Do not crash the kernel unless it is absolutely unavoidable--use WARN_ON_ONCE() plus recovery code (if feasible) instead of BUG() or variants
#54: FILE: include/linux/page_frag_cache.h:84:
+	VM_BUG_ON(pfrag->offset + pfrag->size >

WARNING: Do not crash the kernel unless it is absolutely unavoidable--use WARN_ON_ONCE() plus recovery code (if feasible) instead of BUG() or variants
#58: FILE: include/linux/page_frag_cache.h:88:
+	VM_BUG_ON(nc->offset > pfrag->offset);

total: 0 errors, 5 warnings, 0 checks, 119 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 19b33c0027ca ("mm: page_frag: some minor refactoring before adding new 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, 5 warnings, 0 checks, 119 lines checked