diff -r 1cdf9f96e3c1 xen/arch/x86/mm/shadow/common.c --- a/xen/arch/x86/mm/shadow/common.c Thu Aug 20 13:32:31 2009 +0100 +++ b/xen/arch/x86/mm/shadow/common.c Thu Aug 20 13:50:55 2009 +0100 @@ -1423,7 +1423,6 @@ * to avoid freeing shadows that the caller is currently working on. */ void shadow_prealloc(struct domain *d, u32 type, unsigned int count) { - ASSERT(type != SH_type_p2m_table); return _shadow_prealloc(d, shadow_order(type), count); } @@ -1676,6 +1675,7 @@ < (shadow_min_acceptable_pages(d) + (1 << order)) ) return 0; /* Not enough shadow memory: need to increase it first */ + shadow_prealloc(d, SH_type_p2m_table, 1); pg = mfn_to_page(shadow_alloc(d, SH_type_p2m_table, 0)); d->arch.paging.shadow.p2m_pages += (1 << order); d->arch.paging.shadow.total_pages -= (1 << order);