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memblock tests: add top-down NUMA tests for memblock_alloc_exact_nid_raw

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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 top-down
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

Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Rebecca Mckeever <remckee0@gmail.com>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Link: https://lore.kernel.org/r/2cc0883243d68ddc3faf833d2d9e86f48534c1d7.1667802195.git.remckee0@gmail.com
This commit is contained in:
Rebecca Mckeever
2022-11-07 00:28:06 -06:00
committed by Mike Rapoport
parent 61da03328a
commit bfc05a4ce3
2 changed files with 360 additions and 0 deletions
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16
tools/testing/memblock/tests/alloc_exact_nid_api.h
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@@ -5,5 +5,21 @@
#include "common.h"
int memblock_alloc_exact_nid_checks(void);
int __memblock_alloc_exact_nid_numa_checks(void);
#ifdef CONFIG_NUMA
static inline int memblock_alloc_exact_nid_numa_checks(void)
{
__memblock_alloc_exact_nid_numa_checks();
return 0;
}
#else
static inline int memblock_alloc_exact_nid_numa_checks(void)
{
return 0;
}
#endif /* CONFIG_NUMA */
#endif