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memblock tests: Add memblock reset function

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Memblock simulator needs to be able to reset memblock data structures
between different test cases. Add a function that sets all fields to
their default values.

Add a test checking if memblock is being initialized to expected values.

Signed-off-by: Karolina Drobnik <karolinadrobnik@gmail.com>
Signed-off-by: Mike Rapoport <rppt@kernel.org>
Link: https://lore.kernel.org/r/8c185aa7e0dd68c2c7e937c9a06c90ae413e240f.1643796665.git.karolinadrobnik@gmail.com
This commit is contained in:
Karolina Drobnik
2022-02-02 12:03:10 +01:00
committed by Mike Rapoport
parent 16802e55de
commit f3252a22d1
6 changed files with 89 additions and 1 deletions
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27
tools/testing/memblock/tests/common.c Normal file
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// SPDX-License-Identifier: GPL-2.0-or-later
#include "tests/common.h"
#include <string.h>
#define INIT_MEMBLOCK_REGIONS 128
#define INIT_MEMBLOCK_RESERVED_REGIONS INIT_MEMBLOCK_REGIONS
void reset_memblock(void)
{
memset(memblock.memory.regions, 0,
memblock.memory.cnt * sizeof(struct memblock_region));
memset(memblock.reserved.regions, 0,
memblock.reserved.cnt * sizeof(struct memblock_region));
memblock.memory.cnt = 1;
memblock.memory.max = INIT_MEMBLOCK_REGIONS;
memblock.memory.name = "memory";
memblock.memory.total_size = 0;
memblock.reserved.cnt = 1;
memblock.reserved.max = INIT_MEMBLOCK_RESERVED_REGIONS;
memblock.reserved.name = "reserved";
memblock.reserved.total_size = 0;
memblock.bottom_up = false;
memblock.current_limit = MEMBLOCK_ALLOC_ANYWHERE;
}