* to show when page is mapped
* & limit reverse map searches.
*/
- unsigned int inuse; /* SLUB: Nr of objects */
+ struct { /* SLUB */
+ u16 inuse;
+ u16 objects;
+ };
};
union {
struct {
/* aio bits */
rwlock_t ioctx_list_lock; /* aio lock */
struct kioctx *ioctx_list;
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR
- struct mem_cgroup *mem_cgroup;
+#ifdef CONFIG_MM_OWNER
+ /*
+ * "owner" points to a task that is regarded as the canonical
+ * user/owner of this mm. All of the following must be true in
+ * order for it to be changed:
+ *
+ * current == mm->owner
+ * current->mm != mm
+ * new_owner->mm == mm
+ * new_owner->alloc_lock is held
+ */
+ struct task_struct *owner;
+#endif
+
+#ifdef CONFIG_PROC_FS
+ /* store ref to file /proc/<pid>/exe symlink points to */
+ struct file *exe_file;
+ unsigned long num_exe_file_vmas;
#endif
};