Messages in this thread | | | Date | Mon, 31 Oct 2022 13:42:41 +0100 | Subject | Re: [PATCH v3 4/5] memblock tests: add generic NUMA tests for memblock_alloc_exact_nid_raw | From | David Hildenbrand <> |
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On 19.10.22 20:34, Rebecca Mckeever wrote: > Add tests for memblock_alloc_exact_nid_raw() where the simulated physical > memory is set up with multiple NUMA nodes. Additionally, all but one of > these tests set nid != NUMA_NO_NODE. All tests are run for both top-down > and bottom-up allocation directions. > > The tested scenarios are: > > Range unrestricted: > - region cannot be allocated: > + there are no previously reserved regions, but requested node is > too small > + the requested node is fully reserved > + the requested node is partially reserved and does not have > enough space > + none of the nodes have enough memory to allocate the region > > Range restricted: > - region can be allocated in the specific node requested without > dropping min_addr: > + the range fully overlaps with the node, and there are adjacent > reserved regions > - region cannot be allocated: > + range partially overlaps with two different nodes, where the > second node is the requested node > + range overlaps with multiple nodes along node boundaries, and > the requested node starts after max_addr > + nid is set to NUMA_NO_NODE and the total range can fit the > region, but the range is split between two nodes and everything > else is reserved > > Signed-off-by: Rebecca Mckeever <remckee0@gmail.com> > ---
Acked-by: David Hildenbrand <david@redhat.com>
-- Thanks,
David / dhildenb
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