On Wednesday 28 September 2005 10:32, Harald Welte wrote:
> I totally agree, that from a current perspective, I think the concept of
> just loading a module (that has usage count 0) having severe impact on
> system performance is just wrong. But then, users are used to the
> current behaviour for almost five years now.
That doesn't mean it cannot be improved - and I think it should.
In a sense it's even getting worse: For example us losing the CONFIG
option to disable local conntrack (Patrick has disabled it some time ago
without even a comment why he did it) has a really bad impact in some cases.
> Therefore: Let's do this right next time, but live with that fact for
> now.
Even with a "quite straight-forward" (quoting you) fix?
> Just imagine all those poor sysadmins who know nothing about current
> kernel development, and who upgrade their kernel because their
> distributor provides a new one - suddenly their accounting (which might
> be relevant for their business) doesn't work anymore :(
Accounting with per CPU counters can be done fully lockless.
-Andi
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