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[KMTESTS:EX] Add a test that triggers big pool expansion. CORE-15051

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Thomas Faber 2018-09-30 16:09:26 +02:00
parent e7de564bfc
commit e5fc2b4ce3
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1 changed files with 42 additions and 0 deletions
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42
modules/rostests/kmtests/ntos_ex/ExPools.c
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@ -264,10 +264,52 @@ TestPoolQuota(VOID)
KmtEndSeh(STATUS_SUCCESS);
}
static
VOID
TestBigPoolExpansion(VOID)
{
POOL_TYPE PoolType;
PVOID *BigAllocations;
const ULONG MaxAllocations = 1024 * 128;
ULONG NumAllocations;
for (PoolType = NonPagedPool; PoolType <= PagedPool; PoolType++)
{
BigAllocations = ExAllocatePoolWithTag(PoolType,
MaxAllocations * sizeof(*BigAllocations),
'ABmK');
/* Allocate a lot of pages (== big pool allocations) */
for (NumAllocations = 0; NumAllocations < MaxAllocations; NumAllocations++)
{
BigAllocations[NumAllocations] = ExAllocatePoolWithTag(PoolType,
PAGE_SIZE,
'aPmK');
if (BigAllocations[NumAllocations] == NULL)
{
NumAllocations--;
break;
}
}
trace("Got %lu allocations for PoolType %d\n", NumAllocations, PoolType);
/* Free them */
for (; NumAllocations < MaxAllocations; NumAllocations--)
{
ASSERT(BigAllocations[NumAllocations] != NULL);
ExFreePoolWithTag(BigAllocations[NumAllocations],
'aPmK');
}
ExFreePoolWithTag(BigAllocations, 'ABmK');
}
}
START_TEST(ExPools)
{
PoolsTest();
PoolsCorruption();
TestPoolTags();
TestPoolQuota();
TestBigPoolExpansion();
}