This patchset contains 3 independent small optimizations of page counters. v3: - dropped the main part based on a feedback from Johannes - rebased on top of current mm-unstable v2: - two page_counter structures per hugetlb cgroup instead of one - rebased to the current mm branch - many minor fixes and improvements v1: https://lore.kernel.org/lkml/20240503201835.2969707-1-roman.gushchin@xxxxxxxxx/T/#m77151ed83451a49132e29ef13d55e08b95ac867f Roman Gushchin (3): mm: memcg: don't call propagate_protected_usage() needlessly mm: page_counters: put page_counter_calculate_protection() under CONFIG_MEMCG mm: page_counters: initialize usage using ATOMIC_LONG_INIT() macro include/linux/page_counter.h | 16 ++++++++++++++-- mm/hugetlb_cgroup.c | 4 ++-- mm/memcontrol.c | 16 ++++++++-------- mm/page_counter.c | 18 +++++++++++++++--- 4 files changed, 39 insertions(+), 15 deletions(-) -- 2.46.0.rc1.232.g9752f9e123-goog