linux-kernel - Re: [PATCH] mm, docs: update memory.stat description with workingset* entries

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Message-ID: <20170516091726.GE2481@dhcp22.suse.cz>
Date:   Tue, 16 May 2017 11:17:26 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     Roman Gushchin <guro@...com>
Cc:     Johannes Weiner <hannes@...xchg.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>,
        Tejun Heo <tj@...nel.org>, Li Zefan <lizefan@...wei.com>,
        cgroups@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mm, docs: update memory.stat description with
 workingset* entries

On Thu 11-05-17 20:18:13, Roman Gushchin wrote:
> Commit 4b4cea91691d ("mm: vmscan: fix IO/refault regression in
> cache workingset transition") introduced three new entries in memory
> stat file:
>      - workingset_refault,
>      - workingset_activate,
>      - workingset_nodereclaim.
> 
> This commit adds a corresponding description to the cgroup v2 docs.
> 
> Signed-off-by: Roman Gushchin <guro@...com>
> Cc: Johannes Weiner <hannes@...xchg.org>
> Cc: Michal Hocko <mhocko@...nel.org>
> Cc: Vladimir Davydov <vdavydov.dev@...il.com>
> Cc: Tejun Heo <tj@...nel.org>
> Cc: Li Zefan <lizefan@...wei.com>
> Cc: cgroups@...r.kernel.org
> Cc: linux-doc@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org

Missed this one. Sorry about that
Acked-by: Michal Hocko <mhocko@...e.com>

> ---
>  Documentation/cgroup-v2.txt | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/Documentation/cgroup-v2.txt b/Documentation/cgroup-v2.txt
> index e50b95c..dc5e2dc 100644
> --- a/Documentation/cgroup-v2.txt
> +++ b/Documentation/cgroup-v2.txt
> @@ -918,6 +918,18 @@ PAGE_SIZE multiple when read back.
>  
>  		Number of major page faults incurred
>  
> +	  workingset_refault
> +
> +		Number of refaults of previously evicted pages
> +
> +	  workingset_activate
> +
> +		Number of refaulted pages that were immediately activated
> +
> +	  workingset_nodereclaim
> +
> +		Number of times a shadow node has been reclaimed
> +
>    memory.swap.current
>  
>  	A read-only single value file which exists on non-root
> -- 
> 2.7.4

-- 
Michal Hocko
SUSE Labs