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Date:   Mon, 18 Feb 2019 13:05:04 -0800
From:   Tejun Heo <tj@...nel.org>
To:     Yang Shi <yang.shi@...ux.alibaba.com>
Cc:     hannes@...xchg.org, corbet@....net, cgroups@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] doc: cgroup: correct the wrong information about measure
 of memory pressure

On Sat, Feb 16, 2019 at 08:56:04AM +0800, Yang Shi wrote:
> Since PSI has implemented some kind of measure of memory pressure, the
> statement about lack of such measure is not true anymore.
> 
> Cc: Tejun Heo <tj@...nel.org>
> Cc: Johannes Weiner <hannes@...xchg.org>
> Cc: Jonathan Corbet <corbet@....net>
> Signed-off-by: Yang Shi <yang.shi@...ux.alibaba.com>
> ---
>  Documentation/admin-guide/cgroup-v2.rst | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
> index 7bf3f12..9a92013 100644
> --- a/Documentation/admin-guide/cgroup-v2.rst
> +++ b/Documentation/admin-guide/cgroup-v2.rst
> @@ -1310,8 +1310,7 @@ network to a file can use all available memory but can also operate as
>  performant with a small amount of memory.  A measure of memory
>  pressure - how much the workload is being impacted due to lack of
>  memory - is necessary to determine whether a workload needs more
> -memory; unfortunately, memory pressure monitoring mechanism isn't
> -implemented yet.
> +memory.

Maybe refer to PSI?

Thanks.

-- 
tejun

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