The patch titled Subject: ipc-msg-mitigate-the-lock-contention-with-percpu-counter-checkpatch-fixes has been added to the -mm mm-nonmm-unstable branch. Its filename is ipc-msg-mitigate-the-lock-contention-with-percpu-counter-checkpatch-fixes.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/ipc-msg-mitigate-the-lock-contention-with-percpu-counter-checkpatch-fixes.patch This patch will later appear in the mm-nonmm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: ipc-msg-mitigate-the-lock-contention-with-percpu-counter-checkpatch-fixes Date: Tue Sep 13 02:45:19 PM PDT 2022 WARNING: labels should not be indented #158: FILE: ipc/msg.c:1319: + fail_msg_hdrs: WARNING: labels should not be indented #160: FILE: ipc/msg.c:1321: + fail_msg_bytes: ERROR: space required after that ';' (ctx:VxV) #203: FILE: ipc/util.h:75: +static inline int msg_init_ns(struct ipc_namespace *ns) { return 0;} ^ total: 1 errors, 2 warnings, 144 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. ./patches/ipc-msg-mitigate-the-lock-contention-with-percpu-counter.patch has style problems, please review. NOTE: If any of the errors are false positives, please report them to the maintainer, see CHECKPATCH in MAINTAINERS. Please run checkpatch prior to sending patches Cc: Alexander Mikhalitsyn <alexander.mikhalitsyn@xxxxxxxxxxxxx> Cc: Alexey Gladkov <legion@xxxxxxxxxx> Cc: Christoph Lameter <cl@xxxxxxxxx> Cc: Davidlohr Bueso <dave@xxxxxxxxxxxx> Cc: Dennis Zhou <dennis@xxxxxxxxxx> Cc: "Eric W . Biederman" <ebiederm@xxxxxxxxxxxx> Cc: Jiebin Sun <jiebin.sun@xxxxxxxxx> Cc: Manfred Spraul <manfred@xxxxxxxxxxxxxxxx> Cc: Shakeel Butt <shakeelb@xxxxxxxxxx> Cc: Tejun Heo <tj@xxxxxxxxxx> Cc: Tim Chen <tim.c.chen@xxxxxxxxxxxxxxx> Cc: Vasily Averin <vasily.averin@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- ipc/msg.c | 8 ++++---- ipc/util.h | 2 +- 2 files changed, 5 insertions(+), 5 deletions(-) --- a/ipc/msg.c~ipc-msg-mitigate-the-lock-contention-with-percpu-counter-checkpatch-fixes +++ a/ipc/msg.c @@ -1316,10 +1316,10 @@ int msg_init_ns(struct ipc_namespace *ns ipc_init_ids(&ns->ids[IPC_MSG_IDS]); return 0; - fail_msg_hdrs: - percpu_counter_destroy(&ns->percpu_msg_bytes); - fail_msg_bytes: - return ret; +fail_msg_hdrs: + percpu_counter_destroy(&ns->percpu_msg_bytes); +fail_msg_bytes: + return ret; } #ifdef CONFIG_IPC_NS --- a/ipc/util.h~ipc-msg-mitigate-the-lock-contention-with-percpu-counter-checkpatch-fixes +++ a/ipc/util.h @@ -72,7 +72,7 @@ void msg_exit_ns(struct ipc_namespace *n void shm_exit_ns(struct ipc_namespace *ns); #else static inline void sem_init_ns(struct ipc_namespace *ns) { } -static inline int msg_init_ns(struct ipc_namespace *ns) { return 0;} +static inline int msg_init_ns(struct ipc_namespace *ns) { return 0; } static inline void shm_init_ns(struct ipc_namespace *ns) { } static inline void sem_exit_ns(struct ipc_namespace *ns) { } _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are mm-oom_kill-add-trace-logs-in-process_mrelease-system-call-fix.patch mm-demotion-add-support-for-explicit-memory-tiers-fix.patch mm-demotion-update-node_is_toptier-to-work-with-memory-tiers-fix-2.patch mm-drop-oom-code-from-exit_mmap-fix-fix.patch mm-delete-unused-mmf_oom_victim-flag-vs-mglru.patch mm-add-merging-after-mremap-resize-checkpatch-fixes.patch mm-reduce-noise-in-show_mem-for-lowmem-allocations-vs-mapletree.patch mm-reduce-noise-in-show_mem-for-lowmem-allocations-vs-mapletree-fix.patch mm-vmscan-fix-a-lot-of-comments-vs-mglru.patch swap-add-swap_cache_get_folio-fix.patch memcg-reduce-size-of-memcg-vmstats-structures-fix.patch mm-damon-vaddr-add-a-comment-for-default-case-in-damon_va_apply_scheme-fix.patch fs-uninline-inode_maybe_inc_iversion.patch ipc-msg-mitigate-the-lock-contention-with-percpu-counter-checkpatch-fixes.patch