3 files changed, 29 insertions, 5 deletions
diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h
index 81676ae906..1891a51368 100644
--- a/include/linux/decompress/mm.h
+++ b/include/linux/decompress/mm.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 /*
  * linux/compr_mm.h
  *
@@ -64,8 +66,17 @@ static __maybe_unused void simple_free(void *where)
 #define MALLOC simple_malloc
 #define FREE simple_free
 
-#define INIT
+#else
+
+#define large_malloc(a) malloc(a)
+#define large_free(a) free(a)
 
 #endif /* STATIC */
 
+#ifndef STATIC
+#define STATIC
+#endif
+
+#define INIT
+
 #endif /* DECOMPR_MM_H */
diff --git a/include/linux/decompress/unlz4.h b/include/linux/decompress/unlz4.h
index 7aaafc2b1c..fb6d499d1b 100644
--- a/include/linux/decompress/unlz4.h
+++ b/include/linux/decompress/unlz4.h
@@ -1,10 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
 #ifndef DECOMPRESS_UNLZ4_H
 #define DECOMPRESS_UNLZ4_H
 
-int decompress_unlz4(unsigned char *inbuf, int len,
-	int(*fill)(void*, unsigned int),
-	int(*flush)(void*, unsigned int),
+int decompress_unlz4(unsigned char *inbuf, long len,
+	long(*fill)(void*, unsigned long),
+	long(*flush)(void*, unsigned long),
 	unsigned char *output,
-	int *pos,
+	long *pos,
 	void(*error)(char *x));
 #endif
diff --git a/include/linux/decompress/unzstd.h b/include/linux/decompress/unzstd.h
new file mode 100644
index 0000000000..56d539ae88
--- /dev/null
+++ b/include/linux/decompress/unzstd.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef LINUX_DECOMPRESS_UNZSTD_H
+#define LINUX_DECOMPRESS_UNZSTD_H
+
+int unzstd(unsigned char *inbuf, long len,
+	   long (*fill)(void*, unsigned long),
+	   long (*flush)(void*, unsigned long),
+	   unsigned char *output,
+	   long *pos,
+	   void (*error_fn)(char *x));
+#endif