On 12/15/23 04:41, sxwjean@xxxxxx wrote:
> From: Xiongwei Song <xiongwei.song@xxxxxxxxxxxxx>
>
> There is no a value assigned to slab_min_objects by default, it always
> is 0 that is initialized by compiler if no assigned value by command line.
> min_objects is calculated based on processor 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>
Reviewed-by: Vlastimil Babka <vbabka@xxxxxxx>
> ---
> 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 6579a55b7852..213491ffb66f 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:
>
> -.. slab_min_objects=x (default 4)
> +.. slab_min_objects=x (default:automatically scaled by number of cpus)
Added a space after "default:" locally.
> .. slab_min_order=x (default 0)
> .. slab_max_order=x (default 3 (PAGE_ALLOC_COSTLY_ORDER))
>
