On 24/02/16 13:21, Andrew Cooper wrote:
> On 24/02/16 13:17, Jan Beulich wrote:
>>>>> On 23.02.16 at 17:31, <andrew.coop...@citrix.com> wrote:
>>> This balloons the size of Xen in memory from 4.4MB to 8MB, because of the
>>> required alignment adjustments.
>> Interesting - on v1 it was 12Mb iirc, and aiui you folded just one
>> pair of 2M pages, which would yield 10M now; did you perhaps
>> not account for .text spanning 2 large pages, due to the 1M bias
>> it starts at? But anyway...
> The original 12 was me just counting 6 superpages.  I forgot to account
> for the 1 released back because of .init (which I suppose is now in the
> following patch).  That, combined with the alignment drop results in 4
> in-use superpages after boot.

This is perhaps more clear given the debugging shown in the cover letter.

~Andrew

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