WARNING: line length of 83 exceeds 80 columns
#399: FILE: net/core/page_pool.c:413:
+				PP_ALLOC_CACHE_SIZE + PAGE_POOL_MIN_INFLIGHT_ITEMS;

WARNING: line length of 86 exceeds 80 columns
#510: FILE: net/core/page_pool.c:597:
+	if (pool->dma_map && unlikely(!page_pool_dma_map(pool, page_to_netmem(page))))

CHECK: Please use a blank line after function/struct/union/enum declarations
#716: FILE: net/core/page_pool_priv.h:49:
 }
+static inline void page_pool_clear_pp_info(struct page_pool *pool,

total: 0 errors, 2 warnings, 1 checks, 576 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 407c5a7d20a0 ("page_pool: fix IOMMU crash when driver has already unbound") 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, 2 warnings, 1 checks, 576 lines checked