WARNING: line length of 85 exceeds 80 columns
#62: FILE: net/core/net_namespace.c:641:
+			rtnl_net_notifyid(tmp, RTM_DELNSID, id, 0, NULL, GFP_KERNEL);

WARNING: From:/Signed-off-by: email address mismatch: 'From: Qiliang Yuan <realwujing@gmail.com>' != 'Signed-off-by: Qiliang Yuan <yuanql9@chinatelecom.cn>'

total: 0 errors, 2 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 133b69032bca ("netns: optimize netns cleaning by batching unhash_nsid calls") 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, 2 warnings, 0 checks, 78 lines checked