diff --git a/reactos/ntoskrnl/config/cmwraprs.c b/reactos/ntoskrnl/config/cmwraprs.c
index 33be0dcec4f..9d8842879f3 100644
--- a/reactos/ntoskrnl/config/cmwraprs.c
+++ b/reactos/ntoskrnl/config/cmwraprs.c
@@ -51,7 +51,7 @@ CmpCreateEvent(IN EVENT_TYPE EventType,
 
 PVOID
 NTAPI
-CmpAllocate(IN ULONG Size,
+CmpAllocate(IN SIZE_T Size,
             IN BOOLEAN Paged,
             IN ULONG Tag)
 {
diff --git a/reactos/ntoskrnl/include/internal/cm.h b/reactos/ntoskrnl/include/internal/cm.h
index a930f05e9cb..8d91fb696d6 100644
--- a/reactos/ntoskrnl/include/internal/cm.h
+++ b/reactos/ntoskrnl/include/internal/cm.h
@@ -1277,7 +1277,7 @@ CmpCreateEvent(
 PVOID
 NTAPI
 CmpAllocate(
-    IN ULONG Size,
+    IN SIZE_T Size,
     IN BOOLEAN Paged,
     IN ULONG Tag
 );
diff --git a/reactos/ntoskrnl/ke/ipi.c b/reactos/ntoskrnl/ke/ipi.c
index 979fcdd87b2..92308baeb8a 100644
--- a/reactos/ntoskrnl/ke/ipi.c
+++ b/reactos/ntoskrnl/ke/ipi.c
@@ -152,7 +152,7 @@ KeIpiGenericCall(IN PKIPI_BROADCAST_WORKER Function,
     if (OldIrql < DISPATCH_LEVEL) KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);
 
     /* Acquire the IPI lock */
-    KefAcquireSpinLockAtDpcLevel(&KiIpiLock);
+    KeAcquireSpinLockAtDpcLevel(&KiIpiLock);
 
     /* Raise to IPI level */
     KeRaiseIrql(IPI_LEVEL, &OldIrql2);
@@ -161,7 +161,7 @@ KeIpiGenericCall(IN PKIPI_BROADCAST_WORKER Function,
     Status = Function(Argument);
 
     /* Release the lock */
-    KefReleaseSpinLockFromDpcLevel(&KiIpiLock);
+    KeReleaseSpinLockFromDpcLevel(&KiIpiLock);
 
     /* Lower IRQL back */
     KeLowerIrql(OldIrql);