initial commit

contrib/linux-kernel/Makefile

@@ -1,5 +1,5 @@
 # ################################################################
-# Copyright (c) Facebook, Inc.
+# Copyright (c) Meta Platforms, Inc. and affiliates.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the
@@ -32,9 +32,7 @@ libzstd:
 		-DZSTD_LEGACY_SUPPORT=0 \
 		-DZSTD_STATIC_LINKING_ONLY \
 		-DFSE_STATIC_LINKING_ONLY \
-		-DHUF_STATIC_LINKING_ONLY \
 		-DXXH_STATIC_LINKING_ONLY \
-		-DMEM_FORCE_MEMORY_ACCESS=0 \
 		-D__GNUC__ \
 		-D__linux__=1 \
 		-DSTATIC_BMI2=0 \
@@ -50,8 +48,8 @@ libzstd:
 		-UZSTD_MULTITHREAD \
 		-U_MSC_VER \
 		-U_WIN32 \
-		-RZSTDLIB_VISIBILITY= \
-		-RZSTDERRORLIB_VISIBILITY= \
+		-RZSTDLIB_VISIBLE= \
+		-RZSTDERRORLIB_VISIBLE= \
 		-RZSTD_FALLTHROUGH=fallthrough \
 		-DZSTD_HAVE_WEAK_SYMBOLS=0 \
 		-DZSTD_TRACE=0 \

contrib/linux-kernel/decompress_sources.h

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
 /*
- * Copyright (c) Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/linux.mk

@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
 # ################################################################
-# Copyright (c) Facebook, Inc.
+# Copyright (c) Meta Platforms, Inc. and affiliates.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/linux_zstd.h

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
 /*
- * Copyright (c) Yann Collet, Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/mem.h

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
 /*
- * Copyright (c) Yann Collet, Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/test/Makefile

@@ -1,5 +1,5 @@
 # ################################################################
-# Copyright (c) Facebook, Inc.
+# Copyright (c) Meta Platforms, Inc. and affiliates.
 # All rights reserved.
 #
 # This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/test/include/linux/compiler.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2021, Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/test/include/linux/errno.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2021, Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/test/include/linux/kernel.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2021, Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/test/include/linux/limits.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2021, Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/test/include/linux/math64.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2021, Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/test/include/linux/module.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2021, Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/test/include/linux/printk.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2021, Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/test/include/linux/stddef.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2021, Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/test/include/linux/swab.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2021, Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/test/include/linux/types.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2021, Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/test/include/linux/xxhash.h

@@ -2,7 +2,7 @@
  * xxHash - Extremely Fast Hash algorithm
  * Copyright (C) 2012-2016, Yann Collet.
  *
- * BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ * BSD 2-Clause License (https://opensource.org/licenses/bsd-license.php)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -260,7 +260,7 @@ XXH_API void xxh64_copy_state(struct xxh64_state *dst, const struct xxh64_state
  * xxHash - Extremely Fast Hash algorithm
  * Copyright (C) 2012-2016, Yann Collet.
  *
- * BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
+ * BSD 2-Clause License (https://opensource.org/licenses/bsd-license.php)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are

contrib/linux-kernel/test/static_test.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/test/test.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the
@@ -186,11 +186,14 @@ static void __attribute__((noinline)) use(void *x) {
   asm volatile("" : "+r"(x));
 }
 
+static void __attribute__((noinline)) fill_stack(void) {
+  memset(g_stack, 0x33, 8192);
+}
+
 static void __attribute__((noinline)) set_stack(void) {
 
   char stack[8192];
   g_stack = stack;
-  memset(g_stack, 0x33, 8192);
   use(g_stack);
 }
 
@@ -208,6 +211,7 @@ static void __attribute__((noinline)) check_stack(void) {
 
 static void test_stack_usage(test_data_t const *data) {
   set_stack();
+  fill_stack();
   test_f2fs();
   test_btrfs(data);
   test_decompress_unzstd(data);

contrib/linux-kernel/zstd_common_module.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
 /*
- * Copyright (c) Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/zstd_compress_module.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
 /*
- * Copyright (c) Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/zstd_decompress_module.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
 /*
- * Copyright (c) Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the

contrib/linux-kernel/zstd_deps.h

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause */
 /*
- * Copyright (c) Facebook, Inc.
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
  * All rights reserved.
  *
  * This source code is licensed under both the BSD-style license (found in the