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[NTOSKRNL] Misc fixes:

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- Rename page file struct to MMPAGING_FILE
- Increment page files count after current page file was put in the list
This commit is contained in:
Pierre Schweitzer 2018-08-11 23:34:08 +02:00
parent f106c297de
commit 02b0ca08e4
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GPG key ID: 7545556C3D585B0B
1 changed files with 10 additions and 8 deletions
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18
ntoskrnl/mm/pagefile.c
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@ -21,6 +21,7 @@
* FILE: ntoskrnl/mm/pagefile.c
* PURPOSE: Paging file functions
* PROGRAMMER: David Welch (welch@mcmail.com)
* Pierre Schweitzer
* UPDATE HISTORY:
* Created 22/05/98
*/
@ -38,7 +39,7 @@
/* TYPES *********************************************************************/
typedef struct _PAGINGFILE
typedef struct _MMPAGING_FILE
{
PFILE_OBJECT FileObject;
HANDLE FileHandle;
@ -49,7 +50,7 @@ typedef struct _PAGINGFILE
PRTL_BITMAP AllocMap;
KSPIN_LOCK AllocMapLock;
}
PAGINGFILE, *PPAGINGFILE;
MMPAGING_FILE, *PMMPAGING_FILE;
/* GLOBALS *******************************************************************/
@ -58,7 +59,7 @@ PAGINGFILE, *PPAGINGFILE;
#define MAX_PAGING_FILES (16)
/* List of paging files, both used and free */
static PPAGINGFILE MmPagingFile[MAX_PAGING_FILES];
static PMMPAGING_FILE MmPagingFile[MAX_PAGING_FILES];
/* Lock for examining the list of paging files */
static KSPIN_LOCK PagingFileListLock;
@ -224,7 +225,7 @@ MiReadPageFile(
KEVENT Event;
UCHAR MdlBase[sizeof(MDL) + sizeof(ULONG)];
PMDL Mdl = (PMDL)MdlBase;
PPAGINGFILE PagingFile;
PMMPAGING_FILE PagingFile;
DPRINT("MiReadSwapFile\n");
@ -289,7 +290,7 @@ MmInitPagingFile(VOID)
}
static ULONG
MiAllocPageFromPagingFile(PPAGINGFILE PagingFile)
MiAllocPageFromPagingFile(PMMPAGING_FILE PagingFile)
{
KIRQL oldIrql;
ULONG off;
@ -308,7 +309,7 @@ MmFreeSwapPage(SWAPENTRY Entry)
ULONG i;
ULONG_PTR off;
KIRQL oldIrql;
PPAGINGFILE PagingFile;
PMMPAGING_FILE PagingFile;
i = FILE_FROM_ENTRY(Entry);
off = OFFSET_FROM_ENTRY(Entry) - 1;
@ -388,7 +389,7 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
HANDLE FileHandle;
IO_STATUS_BLOCK IoStatus;
PFILE_OBJECT FileObject;
PPAGINGFILE PagingFile;
PMMPAGING_FILE PagingFile;
KIRQL oldIrql;
ULONG AllocMapSize;
ULONG Count;
@ -662,8 +663,9 @@ NtCreatePagingFile(IN PUNICODE_STRING FileName,
RtlClearAllBits(PagingFile->AllocMap);
KeAcquireSpinLock(&PagingFileListLock, &oldIrql);
MmNumberOfPagingFiles++;
ASSERT(MmPagingFile[MmNumberOfPagingFiles] == NULL);
MmPagingFile[MmNumberOfPagingFiles] = PagingFile;
MmNumberOfPagingFiles++;
MiFreeSwapPages = MiFreeSwapPages + PagingFile->FreePages;
KeReleaseSpinLock(&PagingFileListLock, oldIrql);