The patch titled Subject: fs-epoll-use-a-per-cpu-counter-for-users-watches-count-fix-fix has been added to the -mm tree. Its filename is fs-epoll-use-a-per-cpu-counter-for-users-watches-count-fix-fix.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/fs-epoll-use-a-per-cpu-counter-for-users-watches-count-fix-fix.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/fs-epoll-use-a-per-cpu-counter-for-users-watches-count-fix-fix.patch 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 and is updated there every 3-4 working days ------------------------------------------------------ From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: fs-epoll-use-a-per-cpu-counter-for-users-watches-count-fix-fix tweak user_epoll_alloc(), per Guenter Link: https://lkml.kernel.org/r/20210804191421.GA1900577@xxxxxxxxxxxx Cc: Guenter Roeck <linux@xxxxxxxxxxxx> Cc: Mark Brown <broonie@xxxxxxxxxx> Cc: Nicholas Piggin <npiggin@xxxxxxxxx> Cc: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- kernel/user.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/kernel/user.c~fs-epoll-use-a-per-cpu-counter-for-users-watches-count-fix-fix +++ a/kernel/user.c @@ -133,8 +133,9 @@ static int user_epoll_alloc(struct user_ { #ifdef CONFIG_EPOLL return percpu_counter_init(&up->epoll_watches, 0, GFP_KERNEL); -#endif +#else return 0; +#endif } static void user_epoll_free(struct user_struct *up) _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are mm.patch lazy-tlb-allow-lazy-tlb-mm-refcounting-to-be-configurable-fix.patch mm-compaction-optimize-proactive-compaction-deferrals-fix.patch mm-compaction-support-triggering-of-proactive-compaction-by-user-fix.patch mm-mempolicy-convert-from-atomic_t-to-refcount_t-on-mempolicy-refcnt-fix.patch fs-epoll-use-a-per-cpu-counter-for-users-watches-count-fix-fix.patch log-if-a-core-dump-is-aborted-due-to-changed-file-permissions-fix.patch linux-next-rejects.patch linux-next-git-rejects.patch kernel-forkc-export-kernel_thread-to-modules.patch