Re: 2.6.15-rc5: latency regression vs 2.6.14 inexit_mmap->free_pgtables

[Lee Revell]

On Wed, 2005-12-28 at 22:59 +0000, Hugh Dickins wrote:
> Here's an untested patch which should mostly correct your latency
> problem with 2.6.15-rc.  But it's certainly not the right solution,
> and it's probably both too ugly and too late for 2.6.15.  If you
> really want Linus to put it in, please test it out, especially on
> ia64, and try to persuade him.  Personally I'd prefer to wait for
> the right solution: but I don't have your low-latency needs, and
> I'm certainly guilty of a regression here.

OK, FWIW the patch does work.

It occurred to me that this might only be a noticeable latency
regression on slower machines.  Although too late for 2.6.15 it would be
nice to have fixed for 2.6.16...

Lee

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