> + > +/* > + * No contention. Irq disable is only required. > + */ > +static int same_context_plock(struct pend_lock *plock) > +{ > + struct task_struct *curr = current; > + int cpu = smp_processor_id(); > + > + /* In the case of hardirq context */ > + if (curr->hardirq_context) { > + if (plock->hardirq_id != per_cpu(hardirq_id, cpu) || > + plock->hardirq_context != curr->hardirq_context) > + return 0; > + /* In the case of softriq context */ > + } else if (curr->softirq_context) { > + if (plock->softirq_id != per_cpu(softirq_id, cpu) || > + plock->softirq_context != curr->softirq_context) > + return 0; > + /* In the case of process context */ > + } else { > + if (plock->hardirq_context != 0 || > + plock->softirq_context != 0) > + return 0; > + } > + return 1; > +} > I have not read the code yet... but different work functions in workqueues are different "contexts" IMO, does commit operation work well in work functions? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>