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diff --git a/pvr-source/services4/srvkm/env/linux/private_data.h b/pvr-source/services4/srvkm/env/linux/private_data.h
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+/*************************************************************************/ /*!
+@Title          Linux private data structure
+@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
+@License        Dual MIT/GPLv2
+
+The contents of this file are subject to the MIT license as set out below.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+Alternatively, the contents of this file may be used under the terms of
+the GNU General Public License Version 2 ("GPL") in which case the provisions
+of GPL are applicable instead of those above.
+
+If you wish to allow use of your version of this file only under the terms of
+GPL, and not to allow others to use your version of this file under the terms
+of the MIT license, indicate your decision by deleting the provisions above
+and replace them with the notice and other provisions required by GPL as set
+out in the file called "GPL-COPYING" included in this distribution. If you do
+not delete the provisions above, a recipient may use your version of this file
+under the terms of either the MIT license or GPL.
+
+This License is also included in this distribution in the file called
+"MIT-COPYING".
+
+EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
+PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/ /**************************************************************************/
+
+#ifndef __INCLUDED_PRIVATE_DATA_H_
+#define __INCLUDED_PRIVATE_DATA_H_
+
+#if defined(SUPPORT_DRI_DRM) && defined(PVR_SECURE_DRM_AUTH_EXPORT)
+#include <linux/list.h>
+#include <drm/drmP.h>
+#endif
+
+/* This structure is required in the rare case that a process creates
+ * a connection to services, but before closing the file descriptor,
+ * does a fork(). This fork() will duplicate the file descriptor in the
+ * child process. If the parent process dies before the child, this can
+ * cause the PVRSRVRelease() method to be called in a different process
+ * context than the original PVRSRVOpen(). This is bad because we need
+ * to update the per-process data reference count and/or free the
+ * per-process data. So we must keep a record of which PID's per-process
+ * data to inspect during ->release().
+ */
+
+typedef struct
+{
+	/* PID that created this services connection */
+	IMG_UINT32 ui32OpenPID;
+
+	/* Global kernel MemInfo handle */
+#if defined (SUPPORT_SID_INTERFACE)
+	IMG_SID hKernelMemInfo;
+#else
+	IMG_HANDLE hKernelMemInfo;
+#endif
+
+#if defined(SUPPORT_DRI_DRM) && defined(PVR_SECURE_DRM_AUTH_EXPORT)
+	/* The private data is on a list in the per-process data structure */
+	struct list_head sDRMAuthListItem;
+
+	struct drm_file *psDRMFile;
+#endif
+
+#if defined(SUPPORT_MEMINFO_IDS)
+	/* Globally unique "stamp" for kernel MemInfo */
+	IMG_UINT64 ui64Stamp;
+#endif /* defined(SUPPORT_MEMINFO_IDS) */
+
+	/* Accounting for OSAllocMem */
+	IMG_HANDLE hBlockAlloc;
+
+#if defined(SUPPORT_DRI_DRM_EXT)
+	IMG_PVOID pPriv;	/*private data for extending this struct*/
+#endif
+}
+PVRSRV_FILE_PRIVATE_DATA;
+
+#endif /* __INCLUDED_PRIVATE_DATA_H_ */
+