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xen-devel
Re: [Xen-devel] new domain builder breaks compatibility
John Levon wrote:
> On Thu, Feb 01, 2007 at 04:15:16PM +0100, Gerd Hoffmann wrote:
> Hmm... am I misunderstanding this code:
> 822 if ( (v_end - vstack_end) < (512UL << 10) )
> 823 {
> 824 /* Add extra 4MB to get >= 512kB padding. */
> 825 if ( !increment_ulong(&v_end, 1UL << 22) )
> 826 goto error_out;
> 827 }
No, you are right, it's 4MB unconditionally. Seems to have changed
though since I checked last time.
> Surely that guarantees we get at least 512Kb and it ends on a 4Mb
> boundary?
Yep. Is the 2MB alignment ok for Solaris? You can depend on the 512kb
only anyway, so the alignment shouldn't matter much ...
cheers,
Gerd
--
Gerd Hoffmann <kraxel@xxxxxxx>
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