Re: [PATCH mm-unstable RFC 3/5] memcg: calculate root usage from global state

[Michal Koutný]

On Mon, Apr 03, 2023 at 10:03:35PM +0000, Yosry Ahmed <yosryahmed@xxxxxxxxxx> wrote:
> Instead, approximate the root usage from global state. This is not 100%
> accurate, but the root usage has always been ill-defined anyway.

Technically, this approximation should be closer to truth because global
counters aren't subject to flushing "delay".

> 
> Signed-off-by: Yosry Ahmed <yosryahmed@xxxxxxxxxx>
> ---
>  mm/memcontrol.c | 24 +++++-------------------
>  1 file changed, 5 insertions(+), 19 deletions(-)

But feel free to add
Reviewed-by: Michal Koutný <mkoutny@xxxxxxxx>

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