Use the already computed guest_num_pages when creating the so called
extra VM pages for a perf test, and add a comment explaining why the
pages are allocated as extra pages.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Reviewed-by: Ben Gardon <bgardon@google.com>
Signed-off-by: David Matlack <dmatlack@google.com>
Message-Id: <
20211111000310.
1435032-11-dmatlack@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
"Guest memory cannot be evenly divided into %d slots.",
slots);
+ /*
+ * Pass guest_num_pages to populate the page tables for test memory.
+ * The memory is also added to memslot 0, but that's a benign side
+ * effect as KVM allows aliasing HVAs in meslots.
+ */
vm = vm_create_with_vcpus(mode, vcpus, DEFAULT_GUEST_PHY_PAGES,
- (vcpus * vcpu_memory_bytes) / pta->guest_page_size,
- 0, guest_code, NULL);
+ guest_num_pages, 0, guest_code, NULL);
pta->vm = vm;