Messages in this thread | | | Date | Wed, 27 Dec 2006 17:56:39 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 2.6.20-rc1 00/10] Kernel memory leak detector 0.13 |
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* Ingo Molnar <mingo@elte.hu> wrote:
> > Trying to copy the comm with get_task_comm, I get the lockdep report > > below, caused by acquiring the task's alloc_lock. Any idea how to go > > around this? > > just memcpy p->comm without any locking. It's for the current task, > right? That does not need any locking.
furthermore, i'd put "hardirq" into the comm copy if in_hardirq() is true, and i'd put "softirq" into the comm copy if !in_hardirq && in_softirq(). That way the allocation is not attributed to a process that has no real connection to it.
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