Re: [PATCH 3 of 4] sparsemem: reduce i386 PAE section size

From: Christoph Lameter
Date: Thu Mar 27 2008 - 20:37:58 EST


On Thu, 27 Mar 2008, Jeremy Fitzhardinge wrote:

> A 1G section size makes memory hotplug too coarse in a virtual
> environment. Retuce it by a factor of 2 to 512M. I would have liked
> to make it smaller, but it runs out of reserved flags in the page flags.

There are patches in mm which changes that situation. You should have 5 or
6 more flags to play with.

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