X-Git-Url: https://git.reactos.org/?p=reactos.git;a=blobdiff_plain;f=ntoskrnl%2Fio%2Fiomgr%2Fiofunc.c;h=bde78e4f9639a5f74c150fa414526e5b4b8dd9f8;hp=46fcce201d8bd66e2d5e3ff0749e06f32885aef2;hb=d01184b16460b014fe9b19c5a142eb0ed88e6455;hpb=2cbc32e5e466bf89a9c8580d7c4377a37c5ac757

diff --git a/ntoskrnl/io/iomgr/iofunc.c b/ntoskrnl/io/iomgr/iofunc.c
index 46fcce201d8..bde78e4f963 100644
--- a/ntoskrnl/io/iomgr/iofunc.c
+++ b/ntoskrnl/io/iomgr/iofunc.c
@@ -213,6 +213,7 @@ IopDeviceFsIoControl(IN HANDLE DeviceHandle,
     ACCESS_MASK DesiredAccess;
     KPROCESSOR_MODE PreviousMode = ExGetPreviousMode();
     ULONG BufferLength;
+    POOL_TYPE PoolType;
 
     PAGED_CODE();
 
@@ -495,6 +496,8 @@ IopDeviceFsIoControl(IN HANDLE DeviceHandle,
     StackPtr->Parameters.DeviceIoControl.OutputBufferLength =
         OutputBufferLength;
 
+    PoolType = IsDevIoCtl ? NonPagedPoolCacheAligned : NonPagedPool;
+
     /* Handle the Methods */
     switch (AccessType)
     {
@@ -513,7 +516,7 @@ IopDeviceFsIoControl(IN HANDLE DeviceHandle,
                 {
                     /* Allocate the System Buffer */
                     Irp->AssociatedIrp.SystemBuffer =
-                        ExAllocatePoolWithTag(NonPagedPool,
+                        ExAllocatePoolWithTag(PoolType,
                                               BufferLength,
                                               TAG_SYS_BUF);
 
@@ -560,7 +563,7 @@ IopDeviceFsIoControl(IN HANDLE DeviceHandle,
                 {
                     /* Allocate the System Buffer */
                     Irp->AssociatedIrp.SystemBuffer =
-                        ExAllocatePoolWithTag(NonPagedPool,
+                        ExAllocatePoolWithTag(PoolType,
                                               InputBufferLength,
                                               TAG_SYS_BUF);