Re: Page fault scalability patch V18: Drop first acquisition of ptl

From: Christoph Lameter <>
Date: 2005-03-03 16:19:31
On Thu, 3 Mar 2005, Paul Mackerras wrote:

> More generally, I would be interested to know what sorts of
> applications or benchmarks show scalability problems on large machines
> due to contention on mm->page_table_lock.

Number crunching apps that use vast amounts of memory through MPI or
large databases etc. They stall for a long time during their
initialization phase without these patches.
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Received on Thu Mar 3 00:24:33 2005

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