On Mon, Oct 21, 2013 at 04:46:13PM +0000, Konstantin Belousov wrote: > Author: kib > Date: Mon Oct 21 16:46:12 2013 > New Revision: 256850 > URL: http://svnweb.freebsd.org/changeset/base/256850 > > Log: > Add a resource limit for the total number of kqueues available to the > user. Kqueue now saves the ucred of the allocating thread, to > correctly decrement the counter on close. > > Under some specific and not real-world use scenario for kqueue, it is > possible for the kqueues to consume memory proportional to the square > of the number of the filedescriptors available to the process. Limit > allows administrator to prevent the abuse. > > This is kernel-mode side of the change, with the user-mode enabling > commit following. This is obviously user-mode part of the change.
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