Re: [RFC] i386: Remove page sized slabs for pgds and pmds

From: Benjamin LaHaise
Date: Wed Mar 28 2007 - 21:18:32 EST


On Wed, Mar 28, 2007 at 02:05:54PM -0700, Christoph Lameter wrote:
> Tried this also on x86_64 with an enhanced quicklist patch that also deals
> with ptes (at the price of not guaranteeing the free after the tlb flush):
...
> Seems that there is a slight benefit but its also barely above noise
> level.

You're not running a test that will show any benefit in this area. Run
some heavy shell scripts or lmbench's fork() and exec() latency tests
to get real numbers.

-ben
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