Re: [PATCH] add a clear_pages function to clear pages of higher order

From: David S. Miller <davem_at_davemloft.net>
Date: 2005-03-25 06:03:36
On Thu, 24 Mar 2005 10:41:06 -0800 (PST)
Christoph Lameter <clameter@engr.sgi.com> wrote:

> So it would be useful to have
> 
> clear_page 	-> Temporal. Only zaps one page
> 
> 	and
> 
> clear_pages	-> Zaps arbitrary order of page non-temporal
> 
> 
> Rework the clear_pages patch to do just that? Maybe rename clear_pages
> clear_pages_nt?
> 
> prep_zero_page would use a temporal clear for an order 0 page but a
> nontemporal clear for higher order pages.

That sounds about right to me.

Hmmm, I'm inspired to experiment with this on sparc64 a bit.
:-)
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Received on Thu Mar 24 14:13:55 2005

This archive was generated by hypermail 2.1.8 : 2005-08-02 09:20:37 EST