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[NTOS:MM] Flush dirty pages after closing the page files.

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CORE-17462
This commit is contained in:
Jérôme Gardou 2021-02-10 11:06:44 +01:00
parent b493a2f8ab
commit 73fd52a164
1 changed files with 13 additions and 15 deletions
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28
ntoskrnl/mm/shutdown.c
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@ -24,8 +24,20 @@ MiShutdownSystem(VOID)
PFN_NUMBER Page; PFN_NUMBER Page;
BOOLEAN Dirty; BOOLEAN Dirty;
/* Loop through all the paging files */
for (i = 0; i < MmNumberOfPagingFiles; i++)
{
/* Free page file name */
ASSERT(MmPagingFile[i]->PageFileName.Buffer != NULL);
ExFreePoolWithTag(MmPagingFile[i]->PageFileName.Buffer, TAG_MM);
MmPagingFile[i]->PageFileName.Buffer = NULL;
/* And close them */
ZwClose(MmPagingFile[i]->FileHandle);
}
/* Loop through all the pages owned by the legacy Mm and page them out, if needed. */ /* Loop through all the pages owned by the legacy Mm and page them out, if needed. */
/* We do it twice, since flushing can cause the FS to dirtify new pages */ /* We do it as long as there are dirty pages, since flushing can cause the FS to dirtify new ones. */
do do
{ {
Dirty = FALSE; Dirty = FALSE;
@ -59,20 +71,6 @@ MiShutdownSystem(VOID)
Page = MmGetLRUNextUserPage(Page, FALSE); Page = MmGetLRUNextUserPage(Page, FALSE);
} }
} while (Dirty); } while (Dirty);
/* Loop through all the paging files */
for (i = 0; i < MmNumberOfPagingFiles; i++)
{
/* Free page file name */
ASSERT(MmPagingFile[i]->PageFileName.Buffer != NULL);
ExFreePoolWithTag(MmPagingFile[i]->PageFileName.Buffer, TAG_MM);
MmPagingFile[i]->PageFileName.Buffer = NULL;
/* And close them */
ZwClose(MmPagingFile[i]->FileHandle);
}
UNIMPLEMENTED;
} }
VOID VOID