From: Xiongwei Song <xiongwei.song@xxxxxxxxxxxxx> There is no a value assigned to slub_min_objects by default, it awlays is 0 that is intailized by compiler if no assigned value by command line. min_objects is calculated based on proccessor numbers in calculate_order(). For more details, see commit 9b2cd506e5f2 ("slub: Calculate min_objects based on number of processors.") Signed-off-by: Xiongwei Song <xiongwei.song@xxxxxxxxxxxxx> --- Documentation/mm/slub.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/mm/slub.rst b/Documentation/mm/slub.rst index be75971532f5..1f4399581449 100644 --- a/Documentation/mm/slub.rst +++ b/Documentation/mm/slub.rst @@ -150,7 +150,7 @@ list_lock once in a while to deal with partial slabs. That overhead is governed by the order of the allocation for each slab. The allocations can be influenced by kernel parameters: -.. slub_min_objects=x (default 4) +.. slub_min_objects=x (default 0) .. slub_min_order=x (default 0) .. slub_max_order=x (default 3 (PAGE_ALLOC_COSTLY_ORDER)) -- 2.34.1