diff --git a/[refs] b/[refs]
index acae6dcf24d7..ccc892ad3cc4 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e09e6e2b6a5daf653794926ab50a784b14b6de53
+refs/heads/master: 85ba94ba0592296053f7f2846812173424afe1cb
diff --git a/trunk/mm/slob.c b/trunk/mm/slob.c
index 4c82dd41f32e..62b679dc660f 100644
--- a/trunk/mm/slob.c
+++ b/trunk/mm/slob.c
@@ -515,7 +515,7 @@ size_t ksize(const void *block)
 
 	sp = (struct slob_page *)virt_to_page(block);
 	if (slob_page(sp))
-		return ((slob_t *)block - 1)->units + SLOB_UNIT;
+		return (((slob_t *)block - 1)->units - 1) * SLOB_UNIT;
 	else
 		return sp->page.private;
 }