Re: [PATCH 10/24] rcu/tree: add rcutree.rcu_min_cached_objs description

[Paul E. McKenney]

On Tue, Apr 28, 2020 at 10:58:49PM +0200, Uladzislau Rezki (Sony) wrote:
> Document the rcutree.rcu_min_cached_objs sysfs kernel parameter.
> 
> Signed-off-by: Uladzislau Rezki (Sony) <urezki@xxxxxxxxx>

Could you please combine this wtih the patch that created this sysfs
parameter?

							Thanx, Paul

> ---
>  Documentation/admin-guide/kernel-parameters.txt | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 828ff975fbc6..b2b7022374af 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -3977,6 +3977,14 @@
>  			latencies, which will choose a value aligned
>  			with the appropriate hardware boundaries.
>  
> +	rcutree.rcu_min_cached_objs= [KNL]
> +			Minimum number of objects which are cached and
> +			maintained per one CPU. Object size is equal
> +			to PAGE_SIZE. The cache allows to reduce the
> +			pressure to page allocator, also it makes the
> +			whole algorithm to behave better in low memory
> +			condition.
> +
>  	rcutree.jiffies_till_first_fqs= [KNL]
>  			Set delay from grace-period initialization to
>  			first attempt to force quiescent states.
> -- 
> 2.20.1
>