On 10/26/2017 10:12 AM, Boris Ostrovsky wrote: > On 10/26/2017 05:50 AM, Juergen Gross wrote: >> Commit 96edd61dcf44362d3ef0bed1a5361e0ac7886a63 ("xen/balloon: don't >> online new memory initially") introduced a regression when booting a >> HVM domain with memory less than mem-max: instead of ballooning down >> immediately the system would try to use the memory up to mem-max >> resulting in Xen crashing the domain. >> >> For HVM domains the current size will be reflected in Xenstore node >> memory/static-max instead of memory/target. >> >> Additionally we have to trigger the ballooning process at once. >> >> Cc: <stable@xxxxxxxxxxxxxxx> # 4.13 >> Fixes: 96edd61dcf44362d3ef0bed1a5361e0ac7886a63 ("xen/balloon: don't >> online new memory initially") >> >> Reported-by: Simon Gaiser <hw42@xxxxxxxxx> >> Suggested-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> >> Signed-off-by: Juergen Gross <jgross@xxxxxxxx> > Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> > Applied to for-linus-4.14c. -boris