[contrib][linux-kernel] Add zstd_min_clevel() and zstd_max_clevel()
diff --git a/contrib/linux-kernel/zstd_compress_module.c b/contrib/linux-kernel/zstd_compress_module.c
index fb7dda1..37d08ff 100644
--- a/contrib/linux-kernel/zstd_compress_module.c
+++ b/contrib/linux-kernel/zstd_compress_module.c
@@ -17,6 +17,18 @@
 #include "common/zstd_deps.h"
 #include "common/zstd_internal.h"
 
+int zstd_min_clevel(void)
+{
+	return ZSTD_minCLevel();
+}
+EXPORT_SYMBOL(zstd_min_clevel);
+
+int zstd_max_clevel(void)
+{
+	return ZSTD_maxCLevel();
+}
+EXPORT_SYMBOL(zstd_max_clevel);
+
 size_t zstd_compress_bound(size_t src_size)
 {
 	return ZSTD_compressBound(src_size);