def test_deallocation_1_page(self):
vm_hugepagesz = 1048576
vm_hugepages = 4
self.assertEqual(
hugepages.calculate_required_deallocation(vm_hugepages,
vm_hugepagesz), 1)
def test_deallocation_1_page(self):
vm_hugepagesz = 1048576
vm_hugepages = 4
self.assertEqual(hugepages.calculate_required_deallocation(
vm_hugepages, vm_hugepagesz), 1
)
def test_pure_dynamic_hugepages(self):
vm_hugepagesz = 1048576
vm_hugepages = 4
# Fully dynamic deallocation (= deallocate the size of the VM)
self.assertEqual(
hugepages.calculate_required_deallocation(vm_hugepages,
vm_hugepagesz), 4)
def test_pure_dynamic_hugepages(self):
vm_hugepagesz = 1048576
vm_hugepages = 4
# Fully dynamic deallocation (= deallocate the size of the VM)
self.assertEqual(hugepages.calculate_required_deallocation(
vm_hugepages, vm_hugepagesz), 4
)
def test_deallocation_4_pages(self):
vm_hugepagesz = 1048576
vm_hugepages = 4
# The VM was solely in the dynamic allocation space (16 preallocated,
# 12 reserved but 20 total), we can fully deallocate it.
self.assertEqual(
hugepages.calculate_required_deallocation(vm_hugepages,
vm_hugepagesz), 4)
def test_deallocation_4_pages(self):
vm_hugepagesz = 1048576
vm_hugepages = 4
# The VM was solely in the dynamic allocation space (16 preallocated,
# 12 reserved but 20 total), we can fully deallocate it.
self.assertEqual(hugepages.calculate_required_deallocation(
vm_hugepages, vm_hugepagesz), 4
)
def test_deallocation_4_pages_no_cmdline(self):
vm_hugepagesz = 1048576
vm_hugepages = 4
# There are 17 pages in the system, none of which were allocated on
# boot.
# - the VM consumed 4 pages, no other consumption
# - there are 12 pages reserved
# - that means we could deallocate up to 5 pages, but we don't touch
# pages out of VM's domain - therefore deallocating only 4 pages
self.assertEqual(
hugepages.calculate_required_deallocation(vm_hugepages,
vm_hugepagesz), 4)
def test_deallocation_4_pages_no_cmdline(self):
vm_hugepagesz = 1048576
vm_hugepages = 4
# There are 17 pages in the system, none of which were allocated on
# boot.
# - the VM consumed 4 pages, no other consumption
# - there are 12 pages reserved
# - that means we could deallocate up to 5 pages, but we don't touch
# pages out of VM's domain - therefore deallocating only 4 pages
self.assertEqual(hugepages.calculate_required_deallocation(
vm_hugepages, vm_hugepagesz), 4
)
