On Mon, 22 Oct 2012, Ming Lei wrote: > Deadlock might be caused by allocating memory with GFP_KERNEL in > runtime_resume callback of network devices in iSCSI situation, so > mark network devices and its ancestor as 'memalloc_noio_resume' > with the introduced pm_runtime_set_memalloc_noio(). Is this really needed? Even with iSCSI, doesn't register_disk() have to be called for the underlying block device? And given your 3/6 patch, wouldn't that mark the network device? Alan Stern -- 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>