Commit 44042b449872 allows high-order pages to be stored on the per-CPU lists. Update the documentation accordingly. Signed-off-by: Jiacheng Shi <billsjc@xxxxxxxxxxx> --- Documentation/trace/events-kmem.rst | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/Documentation/trace/events-kmem.rst b/Documentation/trace/events-kmem.rst index 68fa75247488..1796530e2ab5 100644 --- a/Documentation/trace/events-kmem.rst +++ b/Documentation/trace/events-kmem.rst @@ -78,9 +78,8 @@ contention on the lruvec->lru_lock. mm_page_alloc_zone_locked page=%p pfn=%lu order=%u migratetype=%d cpu=%d percpu_refill=%d mm_page_pcpu_drain page=%p pfn=%lu order=%d cpu=%d migratetype=%d -In front of the page allocator is a per-cpu page allocator. It exists only -for order-0 pages, reduces contention on the zone->lock and reduces the -amount of writing on struct page. +In front of the page allocator is a per-cpu page allocator. It reduces +contention on the zone->lock and reduces the amount of writing on struct page. When a per-CPU list is empty or pages of the wrong type are allocated, the zone->lock will be taken once and the per-CPU list refilled. The event -- 2.25.1
