On Mon, 13 Jun 2016, Eric Dumazet wrote: > On Mon, Jun 13, 2016 at 5:30 AM, Thomas Gleixner <t...@linutronix.de> wrote: > > On Mon, 13 Jun 2016, Peter Zijlstra wrote: > >> On Mon, Jun 13, 2016 at 08:41:00AM -0000, Thomas Gleixner wrote: > >> > + > >> > + /* Cascading, sigh... */ > >> > >> So given that userspace has no influence on timer period; can't we > >> simply fail to support timers longer than 30 minutes? > >> > >> In anything really arming timers _that_ long? > > > > Unfortunately yes. Networking being one of those. Real cascading happens > > once > > in a blue moon, but it happens. > > > Anyway, for the more common HZ=1000 case, what would the 'limit' be ?
34 minutes with the currently chosen parameters.
