Dear Greg, Here's the backport for the KVM migration fix that failed to apply on 4.4. It is applicable to 3.16 - 4.4. Cheers, Janosch Janosch Frank (1): KVM: s390: Fix guest migration for huge guests resulting in panic arch/s390/mm/pgtable.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) -- 2.7.4