Re: [PATCH 10/28] i386: map enough initial memory to create lowmem mappings

From: Eric W. Biederman
Date: Sun Apr 29 2007 - 12:51:43 EST

Jeremy Fitzhardinge <jeremy@xxxxxxxx> writes:

> Eric W. Biederman wrote:
>> And it just occurred to me PSE disabled, otherwise you would not have
>> needed more than 4 pages. I supposed you were testing the Xen case.
> No, actually, I wasn't. It was booting native (the Xen boot path
> doesn't go that way), and it should have booted like a normal native
> kernel despite having Xen compiled in. Hm, not sure why it wouldn't be
> using the PSE path.

Any chance you had CONFIG_DEBUG_PAGEALLOC selected?

Apparently that also disabled PSE...

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