[Xen-devel] [PATCH 0 of 4 RFC] Populate-on-demand: Check pages being returned by the balloon driver

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

Populate-on-demand: Check pages being returned by the balloon driver

This patch series is the second result of my work last summer on
decreasing fragmentation of superpages in a guests' p2m when using
populate-on-demand.

This patch series is against 4.1; I'm posting it to get feedback on
the viability of getting a ported version of this patch into 4.2.

As with the previous series, the patces against 4.1 have been
extensively in the XenServer testing framework and have been in use by
XenServer customers for over 9 months now.  But the p2m code has
changed extensively in that time, so one could argue that the testing
doesn't give us the same degree of confidence in the patches against
4.2 as against 4.1.

Looking at it now, there are a number of ugly bits -- "#if 0" and
such; please overlook this for now, as it will all be cleaned up as
part of the porting process.

If this looks good, I'll do the work of porting and testing it before
posting it again.

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