On Sun, Jul 17, 2016 at 08:11:31PM +0000, Topi Miettinen wrote: > On 06/13/16 21:33, Tejun Heo wrote: > > Hello, > > > > On Mon, Jun 13, 2016 at 09:29:32PM +0000, Topi Miettinen wrote: > >> I used fork callback as I don't want to lower the watermark in all cases > >> where the charge can be lowered, so I'd update the watermark only when > >> the fork really happens. > > > > I don't think that would make a noticeable difference. That's where > > we decide whether to grant fork or not after all and thus where the > > actual usage is. > > I tried using only charge functions, but then the result was too low. > With fork callback, the result was as expected.
Can you please elaborate in more details? Thanks. -- tejun
