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[KMTESTS:MM] Fix failures in MmMdl test on machines with 2GB of free RAM.

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Thomas Faber 2023-01-28 19:55:19 -05:00
parent afb953ae4d
commit 2f63da62e3
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GPG key ID: 076E7C3D44720826
1 changed files with 9 additions and 8 deletions
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17
modules/rostests/kmtests/ntos_mm/MmMdl.c
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@ -1,8 +1,9 @@
/*
* PROJECT: ReactOS kernel-mode tests
* LICENSE: LGPLv2.1+ - See COPYING.LIB in the top level directory
* PURPOSE: Kernel-Mode Test Suite MDL test
* PROGRAMMER: Thomas Faber <thomas.faber@reactos.org>
* PROJECT: ReactOS kernel-mode tests
* LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
* PURPOSE: Kernel-Mode Test Suite MDL test
* COPYRIGHT: Copyright 2015,2023 Thomas Faber (thomas.faber@reactos.org)
* COPYRIGHT: Copyright 2017 Pierre Schweitzer (pierre@reactos.org)
*/
#include <kmt_test.h>
@ -104,7 +105,7 @@ TestMmAllocatePagesForMdl(VOID)
MmFreePagesFromMdl(Mdl);
ExFreePoolWithTag(Mdl, 0);
/* try to allocate 2 GB -- should succeed but not map */
/* try to allocate 2 GB -- should succeed (possibly with fewer pages) but not map */
Mdl = MmAllocatePagesForMdl(LowAddress,
HighAddress,
SkipBytes,
@ -112,12 +113,12 @@ TestMmAllocatePagesForMdl(VOID)
ok(Mdl != NULL, "MmAllocatePagesForMdl failed for 2 GB\n");
if (Mdl != NULL)
{
ok(MmGetMdlByteCount(Mdl) != 2UL * 1024 * 1024 * 1024, "Byte count: %lu\n", MmGetMdlByteCount(Mdl));
ok(MmGetMdlByteCount(Mdl) <= 2UL * 1024 * 1024 * 1024, "Byte count: %lu\n", MmGetMdlByteCount(Mdl));
ok(MmGetMdlVirtualAddress(Mdl) == NULL, "Virtual address: %p\n", MmGetMdlVirtualAddress(Mdl));
ok(!(Mdl->MdlFlags & MDL_MAPPED_TO_SYSTEM_VA), "MdlFlags: %lx\n", Mdl->MdlFlags);
MdlPages = MmGetMdlPfnArray(Mdl);
MdlPageCount = ADDRESS_AND_SIZE_TO_SPAN_PAGES(MmGetMdlVirtualAddress(Mdl), MmGetMdlByteCount(Mdl));
ok(MdlPageCount < 2UL * 1024 * 1024 * 1024 / PAGE_SIZE, "MdlPageCount = %lu\n", MdlPageCount);
ok(MdlPageCount <= 2UL * 1024 * 1024 * 1024 / PAGE_SIZE, "MdlPageCount = %lu\n", MdlPageCount);
for (i = 0; i < MdlPageCount; i++)
{
if (MdlPages[i] == 0 ||
@ -135,7 +136,7 @@ TestMmAllocatePagesForMdl(VOID)
ok(SystemVa == NULL, "MmMapLockedPagesSpecifyCache succeeded for 2 GB\n");
if (SystemVa != NULL)
MmUnmapLockedPages(SystemVa, Mdl);
ok(MmGetMdlByteCount(Mdl) != 2UL * 1024 * 1024 * 1024, "Byte count: %lu\n", MmGetMdlByteCount(Mdl));
ok(MmGetMdlByteCount(Mdl) <= 2UL * 1024 * 1024 * 1024, "Byte count: %lu\n", MmGetMdlByteCount(Mdl));
ok(MmGetMdlVirtualAddress(Mdl) == NULL, "Virtual address: %p\n", MmGetMdlVirtualAddress(Mdl));
ok(!(Mdl->MdlFlags & MDL_MAPPED_TO_SYSTEM_VA), "MdlFlags: %lx\n", Mdl->MdlFlags);
MmFreePagesFromMdl(Mdl);