On Sun, 4 Sep 2011 04:15:33 +0300
"Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx> wrote:
> From: "Kirill A. Shutemov" <kirill@xxxxxxxxxxxxx>
>
> Currently, mem_cgroup_usage() for non-root cgroup returns usage
> including stocks.
>
> Let's drain all socks before read resource counter value. It makes
> memory{,.memcg}.usage_in_bytes and memory.stat consistent.
>
> Signed-off-by: Kirill A. Shutemov <kirill@xxxxxxxxxxxxx>
Hmm. This seems costly to me.
If a user chesk usage_in_bytes in a memcg once per 1sec,
the kernel will call schedule_work on cpus once per 1sec.
So, IMHO, I don't like this.
But if some other guys want this, I'll ack.
BTW, how this affects memory.stat ?
Thanks,
-Kame
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