search for: __free_pages_bootmem

...ion mem=8G, I would have expected that I would see the system with a 2G balloon right after boot. However, the balloon is empty. Briefly looking at this, it would seem to me that, with all pages being reserved when the system starts and only the populated ones getting the reserved status cleared in __free_pages_bootmem(), the condition to put pages into the balloon in balloon_init() is inverted. Also, dying in xen_destroy_contiguous_region() (and similarly in the failure recovery code in xen_create_contiguous_region()) if the space just unmapped can''t be re-populated seems overly harsh (we''re h...