Re: [PATCH v3] memcg: charge before adding to swapcache on swapin

[Shakeel Butt]

On Fri, Mar 5, 2021 at 8:25 AM Johannes Weiner <hannes@xxxxxxxxxxx> wrote:
>
[...]
> I'd also rename cgroup_memory_noswap to cgroup_swapaccount - to match
> the commandline and (hopefully) make a bit clearer what it effects.

Do we really need to keep supporting "swapaccount=0"? Is swap
page_counter really a performance issue for systems with memcg and
swap? To me, deprecating "swapaccount=0" simplifies already
complicated code.