From 0fc6163cd6630a6dc7eb66cd4bd0c49e49c95698 Mon Sep 17 00:00:00 2001
From: Daniel Micay <danielmicay@gmail.com>
Date: Wed, 3 May 2017 11:57:35 -0400
Subject: [PATCH] bug on !PageSlab && !PageCompound in ksize

Signed-off-by: Daniel Micay <danielmicay@gmail.com>
Signed-off-by: anupritaisno1 <www.anuprita804@gmail.com>
---
 mm/slub.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mm/slub.c b/mm/slub.c
index de4ca2280..30b0bd125 100755
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -4369,7 +4369,11 @@ size_t __ksize(const void *object)
 	page = virt_to_head_page(object);
 
 	if (unlikely(!PageSlab(page))) {
+#ifdef CONFIG_BUG_ON_DATA_CORRUPTION
+		BUG_ON(!PageCompound(page));
+#else
 		WARN_ON(!PageCompound(page));
+#endif
 		return page_size(page);
 	}