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-rw-r--r--mm/util.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/util.c b/mm/util.c
index 5ef378a2a038..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.
@@ -957,7 +958,7 @@ out:
return res;
}
-int memcmp_pages(struct page *page1, struct page *page2)
+int __weak memcmp_pages(struct page *page1, struct page *page2)
{
char *addr1, *addr2;
int ret;