Re: mpt sets 64bit consistent mask yet requires mapping in same 4 GB chunk?!?

From: Matthew Wilcox <willy_at_debian.org>
Date: 2004-02-14 10:13:08
On Fri, Feb 13, 2004 at 03:52:43PM -0700, Bjorn Helgaas wrote:
> > I think Alex's second suggestion would be the best--do a single
> > allocation rather than falling back to a 32 bit consistent mask.
> 
> But even with a single allocation, there's nothing to prevent it
> from crossing a 4GB boundary, is there?

Since we use buddy allocators everywhere, we'd need to be doing 8GB
allocations to cross a 4GB barrier.  Of course if we change allocators ...

-- 
"Next the statesmen will invent cheap lies, putting the blame upon 
the nation that is attacked, and every man will be glad of those
conscience-soothing falsities, and will diligently study them, and refuse
to examine any refutations of them; and thus he will by and by convince 
himself that the war is just, and will thank God for the better sleep 
he enjoys after this process of grotesque self-deception." -- Mark Twain
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Received on Fri Feb 13 18:19:12 2004

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