v4: ucounts: rlimit scalability issues Chen Ridong (4): ucounts: add CONFIG_UCOUNTS_PERCPU_COUNTER ucounts: add input for inc_rlimit_[get_]ucounts_limit ucounts: reinplement rlimit with percpu_counter ucount: fix kabi for ucounts MengEn Sun (1): ucounts: move kfree() out of critical zone protected by ucounts_lock Sebastian Andrzej Siewior (4): rcu: provide a static initializer for hlist_nulls_head ucount: replace get_ucounts_or_wrap() with atomic_inc_not_zero() ucount: use RCU for ucounts lookups ucount: use rcuref_t for reference counting include/linux/list_nulls.h | 1 + include/linux/user_namespace.h | 44 +++++- init/Kconfig | 9 ++ init/main.c | 1 + ipc/mqueue.c | 3 +- kernel/signal.c | 2 +- kernel/ucount.c | 268 ++++++++++++++++++++++++++------- mm/mlock.c | 2 +- 8 files changed, 266 insertions(+), 64 deletions(-) -- 2.34.1