Re: [PATCH 2/2] mm: Consider subtrees in

From: Michal Hocko
Date: Wed Jan 30 2019 - 13:16:38 EST

On Wed 30-01-19 09:52:22, Tejun Heo wrote:
> On Wed, Jan 30, 2019 at 06:41:17PM +0100, Michal Hocko wrote:
> > But we are discussing the file name effectively. I do not see a long
> > term maintenance burden. Confusing? Probably yes but that is were the
> Cost on user side.
> > documentation would be helpful.
> which is an a lot worse option with way higher total cost.

And how exactly does the cost get any smaller with a mount option. The
consumer of the API will likely not know there are two modes and check
for it to figure out how to interpret those values. Or maybe I still do
not follow how exactly is the mount option supposed to work.

Michal Hocko