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-rw-r--r--include/linux/futex.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/futex.h b/include/linux/futex.h
index 34e54f2b8997..1bd8dfcb037b 100644
--- a/include/linux/futex.h
+++ b/include/linux/futex.h
@@ -17,6 +17,7 @@ union ktime;
#define FUTEX_LOCK_PI 6
#define FUTEX_UNLOCK_PI 7
#define FUTEX_TRYLOCK_PI 8
+#define FUTEX_CMP_REQUEUE_PI 9
/*
* Support for robust futexes: the kernel cleans up held futexes at
@@ -85,9 +86,14 @@ struct robust_list_head {
#define FUTEX_OWNER_DIED 0x40000000
/*
+ * Some processes have been requeued on this PI-futex
+ */
+#define FUTEX_WAITER_REQUEUED 0x20000000
+
+/*
* The rest of the robust-futex field is for the TID:
*/
-#define FUTEX_TID_MASK 0x3fffffff
+#define FUTEX_TID_MASK 0x0fffffff
/*
* This limit protects against a deliberately circular list.
@@ -111,6 +117,7 @@ handle_futex_death(u32 __user *uaddr, struct task_struct *curr, int pi);
* We set bit 0 to indicate if it's an inode-based key.
*/
union futex_key {
+ u32 __user *uaddr;
struct {
unsigned long pgoff;
struct inode *inode;