Re: [PATCH v4 7/8] Display current tcp memory allocation in kmem cgroup

["Kirill A. Shutemov" <kirill@shutemov.name>]

On Mon, Oct 03, 2011 at 02:18:42PM +0400, Glauber Costa wrote:
> This patch introduces kmem.tcp_current_memory file, living in the
> kmem_cgroup filesystem. It is a simple read-only file that displays the
> amount of kernel memory currently consumed by the cgroup.
> 
> Signed-off-by: Glauber Costa <glommer@parallels.com>
> CC: David S. Miller <davem@davemloft.net>
> CC: Hiroyouki Kamezawa <kamezawa.hiroyu@jp.fujitsu.com>
> CC: Eric W. Biederman <ebiederm@xmission.com>
> ---
>  Documentation/cgroups/memory.txt |    1 +
>  mm/memcontrol.c                  |   11 +++++++++++
>  2 files changed, 12 insertions(+), 0 deletions(-)
> 
> diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
> index 1ffde3e..f5a539d 100644
> --- a/Documentation/cgroups/memory.txt
> +++ b/Documentation/cgroups/memory.txt
> @@ -79,6 +79,7 @@ Brief summary of control files.
>   memory.independent_kmem_limit	 # select whether or not kernel memory limits are
>  				   independent of user limits
>   memory.kmem.tcp.max_memory      # set/show hard limit for tcp buf memory
> + memory.kmem.tcp.current_memory  # show current tcp buf memory allocation

Both are in pages, right?
Shouldn't it be scaled to bytes and named uniform with other memcg file?
memory.kmem.tcp.limit_in_bytes/usage_in_bytes.

-- 
 Kirill A. Shutemov

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