[reactos] 01/01: [NTOS:MM] Remove dead code

[Jérôme Gardou]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=be6a6b806af7dbd1ff86c4...

commit be6a6b806af7dbd1ff86c43549d5cb7779a5b8b3
Author:     Jérôme Gardou [e-mail]
AuthorDate: Tue Aug 3 10:57:12 2021 +0200
Commit:     Jérôme Gardou [e-mail]
CommitDate: Tue Aug 3 10:57:12 2021 +0200

[NTOS:MM] Remove dead code
---
 ntoskrnl/mm/ARM3/pfnlist.c | 10 ----------
 ntoskrnl/mm/balance.c      | 45 ---------------------------------------------
 2 files changed, 55 deletions(-)

diff --git a/ntoskrnl/mm/ARM3/pfnlist.c b/ntoskrnl/mm/ARM3/pfnlist.c
index bbf4275a9df..5712f22557a 100644
--- a/ntoskrnl/mm/ARM3/pfnlist.c
+++ b/ntoskrnl/mm/ARM3/pfnlist.c
@@ -598,9 +598,6 @@ MiRemoveZeroPage(IN ULONG Color)
     return PageIndex;
 }

-/* HACK for keeping legacy Mm alive */
-extern BOOLEAN MmRosNotifyAvailablePage(PFN_NUMBER PageFrameIndex);
-
 VOID
 NTAPI
 MiInsertPageInFreeList(IN PFN_NUMBER PageFrameIndex)
@@ -628,13 +625,6 @@ MiInsertPageInFreeList(IN PFN_NUMBER PageFrameIndex)
     ASSERT(Pfn1->u4.VerifierAllocation == 0);
     ASSERT(Pfn1->u3.e2.ReferenceCount == 0);

-    /* HACK HACK HACK : Feed the page to legacy Mm */
-    if (MmRosNotifyAvailablePage(PageFrameIndex))
-    {
-        DPRINT1("Legacy Mm eating ARM3 page!.\n");
-        return;
-    }
-
     /* Get the free page list and increment its count */
     ListHead = &MmFreePageListHead;
     ASSERT_LIST_INVARIANT(ListHead);
diff --git a/ntoskrnl/mm/balance.c b/ntoskrnl/mm/balance.c
index f8fce014f56..0eec51fbb88 100644
--- a/ntoskrnl/mm/balance.c
+++ b/ntoskrnl/mm/balance.c
@@ -29,10 +29,7 @@ MM_ALLOCATION_REQUEST, *PMM_ALLOCATION_REQUEST;

MM_MEMORY_CONSUMER MiMemoryConsumers[MC_MAXIMUM];
 static ULONG MiMinimumAvailablePages;
-static LIST_ENTRY AllocationListHead;
-static KSPIN_LOCK AllocationListLock;
 static ULONG MiMinimumPagesPerRun;
-
 static CLIENT_ID MiBalancerThreadId;
 static HANDLE MiBalancerThreadHandle = NULL;
 static KEVENT MiBalancerEvent;
@@ -48,8 +45,6 @@ NTAPI
 MmInitializeBalancer(ULONG NrAvailablePages, ULONG NrSystemPages)
 {
     memset(MiMemoryConsumers, 0, sizeof(MiMemoryConsumers));
-    InitializeListHead(&AllocationListHead);
-    KeInitializeSpinLock(&AllocationListLock);

/* Set up targets. */
     MiMinimumAvailablePages = 256;
@@ -350,46 +345,6 @@ MiBalancerThread(PVOID Unused)
     }
 }

-BOOLEAN MmRosNotifyAvailablePage(PFN_NUMBER Page)
-{
-    PLIST_ENTRY Entry;
-    PMM_ALLOCATION_REQUEST Request;
-    PMMPFN Pfn1;
-
-    /* Make sure the PFN lock is held */
-    MI_ASSERT_PFN_LOCK_HELD();
-
-    if (!MiMinimumAvailablePages)
-    {
-        /* Dirty way to know if we were initialized. */
-        return FALSE;
-    }
-
-    Entry = ExInterlockedRemoveHeadList(&AllocationListHead, &AllocationListLock);
-    if (!Entry)
-        return FALSE;
-
-    Request = CONTAINING_RECORD(Entry, MM_ALLOCATION_REQUEST, ListEntry);
-    MiZeroPhysicalPage(Page);
-    Request->Page = Page;
-
-    Pfn1 = MiGetPfnEntry(Page);
-    ASSERT(Pfn1->u3.e2.ReferenceCount == 0);
-    Pfn1->u3.e2.ReferenceCount = 1;
-    Pfn1->u3.e1.PageLocation = ActiveAndValid;
-
-    /* This marks the PFN as a ReactOS PFN */
-    Pfn1->u4.AweAllocation = TRUE;
-
-    /* Allocate the extra ReactOS Data and zero it out */
-    Pfn1->u1.SwapEntry = 0;
-    Pfn1->RmapListHead = NULL;
-
-    KeSetEvent(&Request->Event, IO_NO_INCREMENT, FALSE);
-
-    return TRUE;
-}
-
 CODE_SEG("INIT")
 VOID
 NTAPI