1 files changed, 7 insertions, 0 deletions

diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
index 6c0081441a3..5bffada7cde 100644
--- a/mm/page_cgroup.c
+++ b/mm/page_cgroup.c
@@ -9,6 +9,7 @@
 #include <linux/vmalloc.h>
 #include <linux/cgroup.h>
 #include <linux/swapops.h>
+#include <linux/kmemleak.h>
 
 static void __meminit
 __init_page_cgroup(struct page_cgroup *pc, unsigned long pfn)
@@ -126,6 +127,12 @@ static int __init_refok init_section_page_cgroup(unsigned long pfn)
                         if (!base)
                                 base = vmalloc(table_size);
                 }
+                /*
+                 * The value stored in section->page_cgroup is (base - pfn)
+                 * and it does not point to the memory block allocated above,
+                 * causing kmemleak false positives.
+                 */
+                kmemleak_not_leak(base);
         } else {
                 /*
                  * We don't have to allocate page_cgroup again, but