Re: [PATCH v3 3/5] memblock tests: add bottom-up NUMA tests for memblock_alloc_exact_nid_raw

From: David Hildenbrand
Date: Mon Oct 31 2022 - 06:40:26 EST


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 of these
tests set nid != NUMA_NO_NODE. These tests are run with a bottom-up
allocation direction.

The tested scenarios are:

Range unrestricted:
- region can be allocated in the specific node requested:
+ there are no previously reserved regions
+ the requested node is partially reserved but has enough space

Range restricted:
- region can be allocated in the specific node requested after dropping
min_addr:
+ range partially overlaps with two different nodes, where the
first node is the requested node
+ range partially overlaps with two different nodes, where the
requested node ends before min_addr
+ range overlaps with multiple nodes along node boundaries, and
the requested node ends before min_addr

Signed-off-by: Rebecca Mckeever <remckee0@xxxxxxxxx>
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Acked-by: David Hildenbrand <david@xxxxxxxxxx>

--
Thanks,

David / dhildenb