115 static void hold_task_mempolicy(struct proc_maps_private *priv)  in hold_task_mempolicy()  argument
117 	struct task_struct *task = priv->task;  in hold_task_mempolicy()
120 	priv->task_mempolicy = task->mempolicy;  in hold_task_mempolicy()
121 	mpol_get(priv->task_mempolicy);  in hold_task_mempolicy()
124 static void release_task_mempolicy(struct proc_maps_private *priv)  in release_task_mempolicy()  argument
126 	mpol_put(priv->task_mempolicy);  in release_task_mempolicy()
129 static void hold_task_mempolicy(struct proc_maps_private *priv)  in hold_task_mempolicy()  argument
132 static void release_task_mempolicy(struct proc_maps_private *priv)  in release_task_mempolicy()  argument
187 static void vma_stop(struct proc_maps_private *priv, struct vm_area_struct *vma)  in vma_stop()  argument
189 	if (vma && vma != priv->tail_vma) {  in vma_stop()
191 		release_task_mempolicy(priv);  in vma_stop()
199 	struct proc_maps_private *priv = m->private;  in m_start()  local
206 	priv->task = NULL;  in m_start()
207 	priv->tail_vma = NULL;  in m_start()
219 	priv->task = get_pid_task(priv->pid, PIDTYPE_PID);  in m_start()
220 	if (!priv->task)  in m_start()
223 	mm = mm_access(priv->task, PTRACE_MODE_READ);  in m_start()
228 	tail_vma = get_gate_vma(priv->task->mm);  in m_start()
229 	priv->tail_vma = tail_vma;  in m_start()
230 	hold_task_mempolicy(priv);  in m_start()
257 	release_task_mempolicy(priv);  in m_start()
267 	struct proc_maps_private *priv = m->private;  in m_next()  local
269 	struct vm_area_struct *tail_vma = priv->tail_vma;  in m_next()
274 	vma_stop(priv, vma);  in m_next()
280 	struct proc_maps_private *priv = m->private;  in m_stop()  local
284 		vma_stop(priv, vma);  in m_stop()
285 	if (priv->task)  in m_stop()
286 		put_task_struct(priv->task);  in m_stop()
292 	struct proc_maps_private *priv;  in do_maps_open()  local
294 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);  in do_maps_open()
295 	if (priv) {  in do_maps_open()
296 		priv->pid = proc_pid(inode);  in do_maps_open()
300 			m->private = priv;  in do_maps_open()
302 			kfree(priv);  in do_maps_open()
313 	struct proc_maps_private *priv = m->private;  in show_map_vma()  local
314 	struct task_struct *task = priv->task;  in show_map_vma()
404 	struct proc_maps_private *priv = m->private;  in show_map()  local
405 	struct task_struct *task = priv->task;  in show_map()
646 	struct proc_maps_private *priv = m->private;  in show_smap()  local
647 	struct task_struct *task = priv->task;  in show_smap()
1469 	struct numa_maps_private *priv;  in numa_maps_open()  local
1471 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);  in numa_maps_open()
1472 	if (priv) {  in numa_maps_open()
1473 		priv->proc_maps.pid = proc_pid(inode);  in numa_maps_open()
1477 			m->private = priv;  in numa_maps_open()
1479 			kfree(priv);  in numa_maps_open()