Re: [PATCH 1/5] freepgt: free_pgtables use vma list

[David S. Miller]

On Wed, 23 Mar 2005 10:32:10 +1100
Nick Piggin <nickpiggin@xxxxxxxxxxxx> wrote:

> I think David's on the right track - I think there's something a
> bit wrong at the top. In my reply to Andrew in this thread I
> posted a patch which may at least get things working...

We have to do the "if (ceiling)" check in every spot where
we mask it in some way, and if it falls to zero from non-zero
due to the masking, we skip.

That gives me a mostly working kernel.

Bad news is that while lat_proc's fork and exec tests improve
dramatically, shell performance is way down on sparc64.
I'll post before and after numbers in a bit.  Note, this is
just with Hugh's base patch plus bug fixes.
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