1 files changed, 2 insertions, 1 deletions

diff --git a/kernel/futex.c b/kernel/futex.c
index b26dcfc02c94..49dacfb45745 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -61,6 +61,7 @@
 #include <linux/nsproxy.h>
 #include <linux/ptrace.h>
 #include <linux/sched/rt.h>
+#include <linux/hugetlb.h>
 
 #include <asm/futex.h>
 
@@ -365,7 +366,7 @@ again:
         } else {
                 key->both.offset |= FUT_OFF_INODE; /* inode-based key */
                 key->shared.inode = page_head->mapping->host;
-                key->shared.pgoff = page_head->index;
+                key->shared.pgoff = basepage_index(page);
         }
 
         get_futex_key_refs(key);