diff --git a/include/linux/string.h b/include/linux/string.h
index ee5e9cc..836062b 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -108,6 +108,9 @@
 extern char *kstrndup(const char *s, size_t len, gfp_t gfp);
 extern void *kmemdup(const void *src, size_t len, gfp_t gfp);
 
+extern char **argv_split(gfp_t gfp, const char *str, int *argcp);
+extern void argv_free(char **argv);
+
 #ifdef __cplusplus
 }
 #endif