Re: [Xen-ia64-devel] [PATCH] shrink vtlb size

On Wed, 2007-08-15 at 16:13 +0900, Kouya Shimura wrote:
> Hi,
> 
> I observed usage ratio of vtlb by using the attached
> modification (test_vtlb.diff).
> It's very low. vtlb includes at most 21 entries.
> 
> The attached patch shrinks the default vtlb size from 512KB to 16KB
> to optimize memory. Also speedup ptc_e emulation.
> To improve the hash function, frequency of collision never changed
> and there is no performance degradation.

   Applied.  Thanks,

        Alex

-- 
Alex Williamson                             HP Open Source & Linux Org.


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