On Wed, Aug 07, 2013 at 03:57:34PM +0200, Michal Hocko wrote: > On Wed 07-08-13 09:47:41, Tejun Heo wrote: > > Hello, > > > > On Wed, Aug 07, 2013 at 03:37:46PM +0200, Michal Hocko wrote: > > > > It isn't different from listening from epoll, for example. > > > > > > epoll limits the number of watchers, no? > > > > Not that I know of. It'll be limited by max open fds but I don't > > think there are other limits. > > max_user_watches seems to be a limit (4% of lowmem in maximum). That's per *user* not per event source. The problem here is creating a global (across securit domains) resource shared by all users. -- tejun -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>