diff --git a/contrib/linux-kernel/0002-lib-Add-zstd-modules.patch b/contrib/linux-kernel/0002-lib-Add-zstd-modules.patch
index eb8b8b288..c3bbaed73 100644
--- a/contrib/linux-kernel/0002-lib-Add-zstd-modules.patch
+++ b/contrib/linux-kernel/0002-lib-Add-zstd-modules.patch
@@ -1,4 +1,4 @@
-From b7f044163968d724be55bf4841fd80babe036dc2 Mon Sep 17 00:00:00 2001
+From 2b29ec569f8438a0307debd29873859ca6d407fc Mon Sep 17 00:00:00 2001
 From: Nick Terrell <terrelln@fb.com>
 Date: Mon, 17 Jul 2017 17:08:19 -0700
 Subject: [PATCH v5 2/5] lib: Add zstd modules
@@ -121,26 +121,26 @@ v4 -> v5:
 - Fix rare compression bug from upstream commit 308047eb5d
 - Fix bug introduced in v3 when working around the gcc-7 bug
 
- include/linux/zstd.h      | 1157 +++++++++++++++
+ include/linux/zstd.h      | 1155 +++++++++++++++
  lib/Kconfig               |    8 +
  lib/Makefile              |    2 +
  lib/zstd/Makefile         |   18 +
  lib/zstd/bitstream.h      |  374 +++++
- lib/zstd/compress.c       | 3484 +++++++++++++++++++++++++++++++++++++++++++++
- lib/zstd/decompress.c     | 2528 ++++++++++++++++++++++++++++++++
+ lib/zstd/compress.c       | 3482 +++++++++++++++++++++++++++++++++++++++++++++
+ lib/zstd/decompress.c     | 2526 ++++++++++++++++++++++++++++++++
  lib/zstd/entropy_common.c |  243 ++++
- lib/zstd/error_private.h  |   53 +
+ lib/zstd/error_private.h  |   51 +
  lib/zstd/fse.h            |  575 ++++++++
  lib/zstd/fse_compress.c   |  795 +++++++++++
  lib/zstd/fse_decompress.c |  332 +++++
  lib/zstd/huf.h            |  212 +++
  lib/zstd/huf_compress.c   |  770 ++++++++++
  lib/zstd/huf_decompress.c |  960 +++++++++++++
- lib/zstd/mem.h            |  151 ++
- lib/zstd/zstd_common.c    |   75 +
- lib/zstd/zstd_internal.h  |  263 ++++
- lib/zstd/zstd_opt.h       | 1014 +++++++++++++
- 19 files changed, 13014 insertions(+)
+ lib/zstd/mem.h            |  149 ++
+ lib/zstd/zstd_common.c    |   73 +
+ lib/zstd/zstd_internal.h  |  261 ++++
+ lib/zstd/zstd_opt.h       | 1012 +++++++++++++
+ 19 files changed, 12998 insertions(+)
  create mode 100644 include/linux/zstd.h
  create mode 100644 lib/zstd/Makefile
  create mode 100644 lib/zstd/bitstream.h
@@ -161,18 +161,16 @@ v4 -> v5:
 
 diff --git a/include/linux/zstd.h b/include/linux/zstd.h
 new file mode 100644
-index 0000000..249575e
+index 0000000..305efd0
 --- /dev/null
 +++ b/include/linux/zstd.h
-@@ -0,0 +1,1157 @@
+@@ -0,0 +1,1155 @@
 +/*
 + * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
 + * All rights reserved.
 + *
 + * This source code is licensed under the BSD-style license found in the
 + * LICENSE file in the root directory of https://github.com/facebook/zstd.
-+ * An additional grant of patent rights can be found in the PATENTS file in the
-+ * same directory.
 + *
 + * This program is free software; you can redistribute it and/or modify it under
 + * the terms of the GNU General Public License version 2 as published by the
@@ -1760,18 +1758,16 @@ index 0000000..a826b99
 +#endif /* BITSTREAM_H_MODULE */
 diff --git a/lib/zstd/compress.c b/lib/zstd/compress.c
 new file mode 100644
-index 0000000..f9166cf
+index 0000000..ff18ae6
 --- /dev/null
 +++ b/lib/zstd/compress.c
-@@ -0,0 +1,3484 @@
+@@ -0,0 +1,3482 @@
 +/**
 + * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
 + * All rights reserved.
 + *
 + * This source code is licensed under the BSD-style license found in the
 + * LICENSE file in the root directory of https://github.com/facebook/zstd.
-+ * An additional grant of patent rights can be found in the PATENTS file in the
-+ * same directory.
 + *
 + * This program is free software; you can redistribute it and/or modify it under
 + * the terms of the GNU General Public License version 2 as published by the
@@ -5250,18 +5246,16 @@ index 0000000..f9166cf
 +MODULE_DESCRIPTION("Zstd Compressor");
 diff --git a/lib/zstd/decompress.c b/lib/zstd/decompress.c
 new file mode 100644
-index 0000000..b178467
+index 0000000..72df4828
 --- /dev/null
 +++ b/lib/zstd/decompress.c
-@@ -0,0 +1,2528 @@
+@@ -0,0 +1,2526 @@
 +/**
 + * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
 + * All rights reserved.
 + *
 + * This source code is licensed under the BSD-style license found in the
 + * LICENSE file in the root directory of https://github.com/facebook/zstd.
-+ * An additional grant of patent rights can be found in the PATENTS file in the
-+ * same directory.
 + *
 + * This program is free software; you can redistribute it and/or modify it under
 + * the terms of the GNU General Public License version 2 as published by the
@@ -8033,18 +8027,16 @@ index 0000000..2b0a643
 +}
 diff --git a/lib/zstd/error_private.h b/lib/zstd/error_private.h
 new file mode 100644
-index 0000000..1a60b31
+index 0000000..2062ff0
 --- /dev/null
 +++ b/lib/zstd/error_private.h
-@@ -0,0 +1,53 @@
+@@ -0,0 +1,51 @@
 +/**
 + * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
 + * All rights reserved.
 + *
 + * This source code is licensed under the BSD-style license found in the
 + * LICENSE file in the root directory of https://github.com/facebook/zstd.
-+ * An additional grant of patent rights can be found in the PATENTS file in the
-+ * same directory.
 + *
 + * This program is free software; you can redistribute it and/or modify it under
 + * the terms of the GNU General Public License version 2 as published by the
@@ -11772,18 +11764,16 @@ index 0000000..6526482
 +}
 diff --git a/lib/zstd/mem.h b/lib/zstd/mem.h
 new file mode 100644
-index 0000000..3a0f34c
+index 0000000..42a697b
 --- /dev/null
 +++ b/lib/zstd/mem.h
-@@ -0,0 +1,151 @@
+@@ -0,0 +1,149 @@
 +/**
 + * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
 + * All rights reserved.
 + *
 + * This source code is licensed under the BSD-style license found in the
 + * LICENSE file in the root directory of https://github.com/facebook/zstd.
-+ * An additional grant of patent rights can be found in the PATENTS file in the
-+ * same directory.
 + *
 + * This program is free software; you can redistribute it and/or modify it under
 + * the terms of the GNU General Public License version 2 as published by the
@@ -11929,18 +11919,16 @@ index 0000000..3a0f34c
 +#endif /* MEM_H_MODULE */
 diff --git a/lib/zstd/zstd_common.c b/lib/zstd/zstd_common.c
 new file mode 100644
-index 0000000..a282624
+index 0000000..e5f06d7
 --- /dev/null
 +++ b/lib/zstd/zstd_common.c
-@@ -0,0 +1,75 @@
+@@ -0,0 +1,73 @@
 +/**
 + * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
 + * All rights reserved.
 + *
 + * This source code is licensed under the BSD-style license found in the
 + * LICENSE file in the root directory of https://github.com/facebook/zstd.
-+ * An additional grant of patent rights can be found in the PATENTS file in the
-+ * same directory.
 + *
 + * This program is free software; you can redistribute it and/or modify it under
 + * the terms of the GNU General Public License version 2 as published by the
@@ -12010,18 +11998,16 @@ index 0000000..a282624
 +}
 diff --git a/lib/zstd/zstd_internal.h b/lib/zstd/zstd_internal.h
 new file mode 100644
-index 0000000..1a79fab
+index 0000000..a0fb83e
 --- /dev/null
 +++ b/lib/zstd/zstd_internal.h
-@@ -0,0 +1,263 @@
+@@ -0,0 +1,261 @@
 +/**
 + * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
 + * All rights reserved.
 + *
 + * This source code is licensed under the BSD-style license found in the
 + * LICENSE file in the root directory of https://github.com/facebook/zstd.
-+ * An additional grant of patent rights can be found in the PATENTS file in the
-+ * same directory.
 + *
 + * This program is free software; you can redistribute it and/or modify it under
 + * the terms of the GNU General Public License version 2 as published by the
@@ -12279,18 +12265,16 @@ index 0000000..1a79fab
 +#endif /* ZSTD_CCOMMON_H_MODULE */
 diff --git a/lib/zstd/zstd_opt.h b/lib/zstd/zstd_opt.h
 new file mode 100644
-index 0000000..55e1b4c
+index 0000000..ecdd725
 --- /dev/null
 +++ b/lib/zstd/zstd_opt.h
-@@ -0,0 +1,1014 @@
+@@ -0,0 +1,1012 @@
 +/**
 + * Copyright (c) 2016-present, Przemyslaw Skibinski, Yann Collet, Facebook, Inc.
 + * All rights reserved.
 + *
 + * This source code is licensed under the BSD-style license found in the
 + * LICENSE file in the root directory of https://github.com/facebook/zstd.
-+ * An additional grant of patent rights can be found in the PATENTS file in the
-+ * same directory.
 + *
 + * This program is free software; you can redistribute it and/or modify it under
 + * the terms of the GNU General Public License version 2 as published by the
@@ -13298,4 +13282,4 @@ index 0000000..55e1b4c
 +
 +#endif /* ZSTD_OPT_H_91842398743 */
 --
-2.9.3
+2.9.5
diff --git a/contrib/linux-kernel/include/linux/zstd.h b/contrib/linux-kernel/include/linux/zstd.h
index 249575e24..305efd093 100644
--- a/contrib/linux-kernel/include/linux/zstd.h
+++ b/contrib/linux-kernel/include/linux/zstd.h
@@ -4,8 +4,6 @@
  *
  * This source code is licensed under the BSD-style license found in the
  * LICENSE file in the root directory of https://github.com/facebook/zstd.
- * An additional grant of patent rights can be found in the PATENTS file in the
- * same directory.
  *
  * This program is free software; you can redistribute it and/or modify it under
  * the terms of the GNU General Public License version 2 as published by the
diff --git a/contrib/linux-kernel/lib/zstd/compress.c b/contrib/linux-kernel/lib/zstd/compress.c
index f9166cf4f..ff18ae6d6 100644
--- a/contrib/linux-kernel/lib/zstd/compress.c
+++ b/contrib/linux-kernel/lib/zstd/compress.c
@@ -4,8 +4,6 @@
  *
  * This source code is licensed under the BSD-style license found in the
  * LICENSE file in the root directory of https://github.com/facebook/zstd.
- * An additional grant of patent rights can be found in the PATENTS file in the
- * same directory.
  *
  * This program is free software; you can redistribute it and/or modify it under
  * the terms of the GNU General Public License version 2 as published by the
diff --git a/contrib/linux-kernel/lib/zstd/decompress.c b/contrib/linux-kernel/lib/zstd/decompress.c
index b17846725..72df4828d 100644
--- a/contrib/linux-kernel/lib/zstd/decompress.c
+++ b/contrib/linux-kernel/lib/zstd/decompress.c
@@ -4,8 +4,6 @@
  *
  * This source code is licensed under the BSD-style license found in the
  * LICENSE file in the root directory of https://github.com/facebook/zstd.
- * An additional grant of patent rights can be found in the PATENTS file in the
- * same directory.
  *
  * This program is free software; you can redistribute it and/or modify it under
  * the terms of the GNU General Public License version 2 as published by the
diff --git a/contrib/linux-kernel/lib/zstd/error_private.h b/contrib/linux-kernel/lib/zstd/error_private.h
index 1a60b31f7..2062ff05a 100644
--- a/contrib/linux-kernel/lib/zstd/error_private.h
+++ b/contrib/linux-kernel/lib/zstd/error_private.h
@@ -4,8 +4,6 @@
  *
  * This source code is licensed under the BSD-style license found in the
  * LICENSE file in the root directory of https://github.com/facebook/zstd.
- * An additional grant of patent rights can be found in the PATENTS file in the
- * same directory.
  *
  * This program is free software; you can redistribute it and/or modify it under
  * the terms of the GNU General Public License version 2 as published by the
diff --git a/contrib/linux-kernel/lib/zstd/mem.h b/contrib/linux-kernel/lib/zstd/mem.h
index 3a0f34c87..42a697b74 100644
--- a/contrib/linux-kernel/lib/zstd/mem.h
+++ b/contrib/linux-kernel/lib/zstd/mem.h
@@ -4,8 +4,6 @@
  *
  * This source code is licensed under the BSD-style license found in the
  * LICENSE file in the root directory of https://github.com/facebook/zstd.
- * An additional grant of patent rights can be found in the PATENTS file in the
- * same directory.
  *
  * This program is free software; you can redistribute it and/or modify it under
  * the terms of the GNU General Public License version 2 as published by the
diff --git a/contrib/linux-kernel/lib/zstd/zstd_common.c b/contrib/linux-kernel/lib/zstd/zstd_common.c
index a282624ee..e5f06d771 100644
--- a/contrib/linux-kernel/lib/zstd/zstd_common.c
+++ b/contrib/linux-kernel/lib/zstd/zstd_common.c
@@ -4,8 +4,6 @@
  *
  * This source code is licensed under the BSD-style license found in the
  * LICENSE file in the root directory of https://github.com/facebook/zstd.
- * An additional grant of patent rights can be found in the PATENTS file in the
- * same directory.
  *
  * This program is free software; you can redistribute it and/or modify it under
  * the terms of the GNU General Public License version 2 as published by the
diff --git a/contrib/linux-kernel/lib/zstd/zstd_internal.h b/contrib/linux-kernel/lib/zstd/zstd_internal.h
index 1a79fab9e..a0fb83e34 100644
--- a/contrib/linux-kernel/lib/zstd/zstd_internal.h
+++ b/contrib/linux-kernel/lib/zstd/zstd_internal.h
@@ -4,8 +4,6 @@
  *
  * This source code is licensed under the BSD-style license found in the
  * LICENSE file in the root directory of https://github.com/facebook/zstd.
- * An additional grant of patent rights can be found in the PATENTS file in the
- * same directory.
  *
  * This program is free software; you can redistribute it and/or modify it under
  * the terms of the GNU General Public License version 2 as published by the
diff --git a/contrib/linux-kernel/lib/zstd/zstd_opt.h b/contrib/linux-kernel/lib/zstd/zstd_opt.h
index 55e1b4cba..ecdd7259e 100644
--- a/contrib/linux-kernel/lib/zstd/zstd_opt.h
+++ b/contrib/linux-kernel/lib/zstd/zstd_opt.h
@@ -4,8 +4,6 @@
  *
  * This source code is licensed under the BSD-style license found in the
  * LICENSE file in the root directory of https://github.com/facebook/zstd.
- * An additional grant of patent rights can be found in the PATENTS file in the
- * same directory.
  *
  * This program is free software; you can redistribute it and/or modify it under
  * the terms of the GNU General Public License version 2 as published by the
diff --git a/contrib/linux-kernel/test/DecompressCrash.c b/contrib/linux-kernel/test/DecompressCrash.c
index b5b673aad..2ab7dfe52 100644
--- a/contrib/linux-kernel/test/DecompressCrash.c
+++ b/contrib/linux-kernel/test/DecompressCrash.c
@@ -2,9 +2,9 @@
  * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
+ * This source code is licensed under both the BSD-style license (found in the
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
+ * in the COPYING file in the root directory of this source tree).
  */
 
 /*
diff --git a/contrib/linux-kernel/test/RoundTripCrash.c b/contrib/linux-kernel/test/RoundTripCrash.c
index 44c67f3ab..4f968023d 100644
--- a/contrib/linux-kernel/test/RoundTripCrash.c
+++ b/contrib/linux-kernel/test/RoundTripCrash.c
@@ -2,9 +2,9 @@
  * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
  * All rights reserved.
  *
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
+ * This source code is licensed under both the BSD-style license (found in the
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
+ * in the COPYING file in the root directory of this source tree).
  */
 
 /*
diff --git a/contrib/linux-kernel/xxhash_test.c b/contrib/linux-kernel/xxhash_test.c
index 5c1101b6f..eb0fb1cd7 100644
--- a/contrib/linux-kernel/xxhash_test.c
+++ b/contrib/linux-kernel/xxhash_test.c
@@ -2,19 +2,13 @@
  * Copyright (c) 2016-present, Facebook, Inc.
  * All rights reserved.
  *
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
- *
- * This program is free software; you can redistribute it and/or modify it under
- * the terms of the GNU General Public License version 2 as published by the
- * Free Software Foundation. This program is dual-licensed; you may select
- * either version 2 of the GNU General Public License ("GPL") or BSD license
- * ("BSD").
+ * This source code is licensed under both the BSD-style license (found in the
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
+ * in the COPYING file in the root directory of this source tree).
  */
 
 /* DO_XXH should be 32 or 64 for xxh32 and xxh64 respectively */
-#define DO_XXH 0 
+#define DO_XXH 0
 /* DO_CRC should be 0 or 1 */
 #define DO_CRC 0
 /* Buffer size */
diff --git a/contrib/linux-kernel/zstd_compress_test.c b/contrib/linux-kernel/zstd_compress_test.c
index bf856b796..dc17adf81 100644
--- a/contrib/linux-kernel/zstd_compress_test.c
+++ b/contrib/linux-kernel/zstd_compress_test.c
@@ -2,15 +2,9 @@
  * Copyright (c) 2016-present, Facebook, Inc.
  * All rights reserved.
  *
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
- *
- * This program is free software; you can redistribute it and/or modify it under
- * the terms of the GNU General Public License version 2 as published by the
- * Free Software Foundation. This program is dual-licensed; you may select
- * either version 2 of the GNU General Public License ("GPL") or BSD license
- * ("BSD").
+ * This source code is licensed under both the BSD-style license (found in the
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
+ * in the COPYING file in the root directory of this source tree).
  */
 
 /* Compression level or 0 to disable */
diff --git a/contrib/linux-kernel/zstd_decompress_test.c b/contrib/linux-kernel/zstd_decompress_test.c
index 4905a5ac5..f6efddd30 100644
--- a/contrib/linux-kernel/zstd_decompress_test.c
+++ b/contrib/linux-kernel/zstd_decompress_test.c
@@ -2,15 +2,9 @@
  * Copyright (c) 2016-present, Facebook, Inc.
  * All rights reserved.
  *
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
- *
- * This program is free software; you can redistribute it and/or modify it under
- * the terms of the GNU General Public License version 2 as published by the
- * Free Software Foundation. This program is dual-licensed; you may select
- * either version 2 of the GNU General Public License ("GPL") or BSD license
- * ("BSD").
+ * This source code is licensed under both the BSD-style license (found in the
+ * LICENSE file in the root directory of this source tree) and the GPLv2 (found
+ * in the COPYING file in the root directory of this source tree).
  */
 
 /* Compression level or 0 to disable */