Timur Tabi <[EMAIL PROTECTED]> wrote:
>
> Bob Woodruff wrote:
> 
> > There definitely needs to be a mechanism to prevent people from pinning
> > too much memory. 
> 
> Any limit would have to be very high - definitely more than just half.  What 
> if the 
> application needs to pin 2GB?  The customer is not going to buy 4+ GB of RAM 
> just because 
> Linux doesn't like pinning more than half.  In an x86-32 system, that would 
> required PAE 
> support and slow everything down.
> 
> Off the top of my head, I'd say Linux would need to allow all but 512MB to be 
> pinned.  So 
> you have 3GB of RAM, Linux should allow you to pin 2.5GB.
> 

You can pin the whole darn lot *if you have the correct privileges*.
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