[ofa-general] Re: [patch 5/9] Convert anon_vma lock to rw_sem and refcount

Christoph Lameter
2008-04-02T21:56:25Z

On Wed, 2 Apr 2008, Andrea Arcangeli wrote:

> paging), hence the slowdown. What you benchmarked is the write side,
> which is also the fast path when the system is heavily CPU bound. I've
> to say aim is a great benchmark to test this regression.

I am a bit surprised that brk performance is that important. There may be
other measurement that have to be made to assess how this would impact a
real load.