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memblock tests: Add memblock_alloc tests for top down

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Add checks for memblock_alloc for top down allocation direction.
The tested scenarios are:
  - Region can be allocated on the first fit (with and without
    region merging)
  - Region can be allocated on the second fit (with and without
    region merging)

Add checks for both allocation directions:
  - Region can be allocated between two already existing entries
  - Limited memory available
  - All memory is reserved
  - No available memory registered with memblock

Signed-off-by: Karolina Drobnik <karolinadrobnik@gmail.com>
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Link: https://lore.kernel.org/r/26ccf409b8ff0394559d38d792b2afb24b55887c.1646055639.git.karolinadrobnik@gmail.com
This commit is contained in:
Karolina Drobnik
2022-02-28 15:46:45 +01:00
committed by Mike Rapoport
parent 284d950dd6
commit 142eac65f3
4 changed files with 447 additions and 1 deletions
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9
tools/testing/memblock/tests/alloc_api.h Normal file
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/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _MEMBLOCK_ALLOCS_H
#define _MEMBLOCK_ALLOCS_H
#include "common.h"
int memblock_alloc_checks(void);
#endif