[ros-diffs] [arty] 55839: [NEWCC] Integrate september's speed improvements, which now work. Remove the flush hack when unpinning cache segments.

Author: arty
Date: Fri Feb 24 11:33:23 2012
New Revision: 55839

URL: http://svn.reactos.org/svn/reactos?rev=55839&view=rev
Log:
[NEWCC]
Integrate september's speed improvements, which now work.
Remove the flush hack when unpinning cache segments.

Modified:
    trunk/reactos/ntoskrnl/cache/pinsup.c
    trunk/reactos/ntoskrnl/cache/section/data.c
    trunk/reactos/ntoskrnl/cache/section/fault.c
    trunk/reactos/ntoskrnl/cache/section/swapout.c

Modified: trunk/reactos/ntoskrnl/cache/pinsup.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/cache/pinsup.c?re…
==============================================================================
--- trunk/reactos/ntoskrnl/cache/pinsup.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/cache/pinsup.c [iso-8859-1] Fri Feb 24 11:33:23 2012
@@ -130,6 +130,14 @@
 	
 	DPRINT("Firing work item for %x\n", Bcb->BaseAddress);
 
+    if (Dirty) {
+        CcpUnlock();
+        Bcb->RefCount++;
+        MiFlushMappedSection(ToUnmap, &BaseOffset, &MappedSize, Dirty);
+        Bcb->RefCount--;
+        CcpLock();
+    }
+
 	if (Immediate)
 	{
 		PROS_SECTION_OBJECT ToDeref = Bcb->SectionObject;
@@ -143,8 +151,6 @@
 		RemoveEntryList(&Bcb->ThisFileList);
 
 		CcpUnlock();
-		if (Dirty)
-			MiFlushMappedSection(ToUnmap, &BaseOffset, &MappedSize, Dirty);
 		MmUnmapCacheViewInSystemSpace(ToUnmap);
 		ObDereferenceObject(ToDeref);
 		CcpLock();
@@ -763,7 +769,6 @@
     CcpUnlock();
 
 	if (!Released) {
-		MiFlushMappedSection(RealBcb->BaseAddress, &RealBcb->FileOffset,
&RealBcb->Map->FileSizes.FileSize, RealBcb->Dirty);
 		CcpLock();
 		CcpUnpinData(RealBcb, TRUE);
 		CcpUnlock();

Modified: trunk/reactos/ntoskrnl/cache/section/data.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/cache/section/dat…
==============================================================================
--- trunk/reactos/ntoskrnl/cache/section/data.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/cache/section/data.c [iso-8859-1] Fri Feb 24 11:33:23 2012
@@ -259,6 +259,7 @@
 			if (NT_SUCCESS(Status)) {
 				MmLockAddressSpace(AddressSpace);
 				MmSetCleanAllRmaps(Page);
+                		MmSetPageProtect(MmGetAddressSpaceOwner(AddressSpace),
(PVOID)PageAddress, PAGE_READONLY);
 				MmLockSectionSegment(Segment);
 				Entry = MmGetPageEntrySectionSegment(Segment, &FileOffset);
 				if (Entry && !IS_SWAP_FROM_SSE(Entry) && PFN_FROM_SSE(Entry) ==
Page)
@@ -663,6 +664,11 @@
 
    Entry = MmGetPageEntrySectionSegment(Segment, &Offset);
 
+   if (Page != 0 && PFN_FROM_SSE(Entry) == Page && Dirty)
+   {
+	   DPRINT("Freeing section page %x:%x -> %x\n", Segment, Offset.LowPart,
Entry);
+	   MmSetPageEntrySectionSegment(Segment, &Offset, DIRTY_SSE(Entry));
+   }
    if (Page)
    {
 	   DPRINT("Removing page %x:%x -> %x\n", Segment, Offset.LowPart, Entry);
@@ -671,12 +677,7 @@
 	   MmDeleteVirtualMapping(Process, Address, FALSE, NULL, NULL);
 	   MmReleasePageMemoryConsumer(MC_CACHE, Page);
    }
-   if (Page != 0 && PFN_FROM_SSE(Entry) == Page && Dirty)
-   {
-	   DPRINT("Freeing section page %x:%x -> %x\n", Segment, Offset.LowPart,
Entry);
-	   MmSetPageEntrySectionSegment(Segment, &Offset, DIRTY_SSE(Entry));
-   }
-   else if (SwapEntry != 0)
+   if (SwapEntry != 0)
    {
       MmFreeSwapPage(SwapEntry);
    }

Modified: trunk/reactos/ntoskrnl/cache/section/fault.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/cache/section/fau…
==============================================================================
--- trunk/reactos/ntoskrnl/cache/section/fault.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/cache/section/fault.c [iso-8859-1] Fri Feb 24 11:33:23 2012
@@ -296,6 +296,7 @@
                MmSetPageEntrySectionSegment(Segment, &Offset, DIRTY_SSE(Entry));
            }
            MmSetPageProtect(Process, PAddress, PAGE_READWRITE);
+           MmSetDirtyPage(Process, PAddress);
            MmUnlockSectionSegment(Segment);
            DPRINT("Done\n");
            return STATUS_SUCCESS;

Modified: trunk/reactos/ntoskrnl/cache/section/swapout.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/cache/section/swa…
==============================================================================
--- trunk/reactos/ntoskrnl/cache/section/swapout.c [iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/cache/section/swapout.c [iso-8859-1] Fri Feb 24 11:33:23 2012
@@ -184,11 +184,12 @@
 (PMMSUPPORT AddressSpace,
  MEMORY_AREA* MemoryArea,
  PVOID Address,
+ BOOLEAN Dirty,
  PMM_REQUIRED_RESOURCES Required)
 {
 	NTSTATUS Status = STATUS_SUCCESS;
 	ULONG Entry;
-	BOOLEAN Dirty = FALSE;
+    PFN_NUMBER OurPage;
 	PEPROCESS Process = MmGetAddressSpaceOwner(AddressSpace);
 	LARGE_INTEGER TotalOffset;
 	PMM_SECTION_SEGMENT Segment;
@@ -202,24 +203,16 @@
 	MmLockSectionSegment(Segment);
 	ASSERT(KeGetCurrentIrql() <= APC_LEVEL);
 
-	Dirty = MmIsDirtyPageRmap(Required->Page[0]);
 	Entry = MmGetPageEntrySectionSegment(Segment, &TotalOffset);
 
-	if (Dirty)
-	{
-		PFN_NUMBER OurPage;
+	if (Dirty) {
+        DPRINT("Dirty page: %p:%p segment %p offset %08x%08x\n", Process,
Address, Segment, TotalOffset.HighPart, TotalOffset.LowPart);
 		MmSetPageEntrySectionSegment(Segment, &TotalOffset, DIRTY_SSE(Entry));
-		MmDeleteRmap(Required->Page[0], Process, Address);
-		MmDeleteVirtualMapping(Process, Address, FALSE, &Dirty, &OurPage);
-		ASSERT(OurPage == Required->Page[0]);
-	} else {
-		/* Just unmap if the page wasn't dirty */
-		PFN_NUMBER OurPage;
-		MmDeleteRmap(Required->Page[0], Process, Address);
-		MmDeleteVirtualMapping(Process, Address, FALSE, &Dirty, &OurPage);
-		DPRINT("OurPage %x ThePage %x\n", OurPage, Required->Page[0]);
-		ASSERT(OurPage == Required->Page[0]);
-	}
+    }
+
+    MmDeleteRmap(Required->Page[0], Process, Address);
+    MmDeleteVirtualMapping(Process, Address, FALSE, NULL, &OurPage);
+    ASSERT(OurPage == Required->Page[0]);
 
 	if (NT_SUCCESS(Status)) 
 	{
@@ -368,7 +361,7 @@
 
 		   DPRINT("%x:%x, page %x %x\n", Process, Address, Page, Resources.Page[0]);
 		   Status = MmPageOutCacheSection
-			   (AddressSpace, MemoryArea, Address, &Resources);
+			   (AddressSpace, MemoryArea, Address, Dirty, &Resources);
 		   DPRINT("%x\n", Status);
 		   
 		   ASSERT(KeGetCurrentIrql() <= APC_LEVEL);
@@ -398,7 +391,6 @@
 		   MmLockAddressSpace(AddressSpace);
 	   } 
 	   while (Status == STATUS_MM_RESTART_OPERATION);
-	   Dirty |= Resources.State & 1; // Accumulate dirty
 
 	   MmUnlockAddressSpace(AddressSpace);