cvs commit: src/sys/netinet in_pcb.c tcp_subr.c tcp_timer.c
rwatson at FreeBSD.org
Tue Sep 12 04:40:35 PDT 2006
On Tue, 12 Sep 2006, Mike Silbersack wrote:
> On Tue, 12 Sep 2006, Mike Silbersack wrote:
>> On Mon, 11 Sep 2006, Gleb Smirnoff wrote:
>>> The UMA zone can't be made smaller than it is, while IP port ranges can
>>> vary in both directions.
>> Hm, it can't be made smaller because we're using UMA_ZONE_NOFREE... why are
>> we using that? Shouldn't locking handle that, rwatson? :)
> Hm, it's been UMA_ZONE_NOFREE since day one. The reason may or may not be
> relevant after all the work rwatson has done with locking.
Unless the monitoring model is changed, this remains 100% necessary, or we may
find ourselves performing mutex operations on uninitialized mutexes,
corrupting kernel memory, or exporting other kernel data structures improperly
to user space.
Robert N M Watson
University of Cambridge
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