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-rw-r--r--mm/util.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/util.c b/mm/util.c
index 4e21fe7eae27..4ddb6e186dd5 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -69,7 +69,8 @@ EXPORT_SYMBOL(kstrdup);
* @s: the string to duplicate
* @gfp: the GFP mask used in the kmalloc() call when allocating memory
*
- * Note: Strings allocated by kstrdup_const should be freed by kfree_const.
+ * Note: Strings allocated by kstrdup_const should be freed by kfree_const and
+ * must not be passed to krealloc().
*
* Return: source string if it is in .rodata section otherwise
* fallback to kstrdup.