hi all
i have two question about ballon.
1.
cfg:
memory=4096
maxmem=4096
no pod was set , no balloon is set .
when xl create, i find function decrease_reservation is call.
i did not why ?
2. pod + balloon
cfg:
memory=512
maxmem=4096
decrease_reservation
- p2m_pod_decrease_reservation
- p2m_set_entry(p2m_invalid)
- guest_remove_page
- p2m_set_entry(p2m_invalid)
in p2m_pod_decrease_reservation , gfn entry is set p2c_invalid.
but in guest_remove_page gfn entry is set p2c_invalid again.
i did not know why?
function guest_remove_page can delete ?
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