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My understanding is that get_vm_area_node etc. can't be called in interrupt context because vmlist_lock is obtained with read_lock / write_lock. I am wondering if it makes sense to use read_lock_bh / write_lock_bh so that get_vm_area_node can be called in soft interrupt context. All the code executed when holding vmlist_lock is walking through the list, so it shouldn't change the behavior. If it does make sense, BUG_ON(in_interrupt()) can be changed to BUG_ON(in_irq()). - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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