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Neither rhashtable_walk_enter() or rhltable_walk_enter() sleep, though they do take a spinlock without irq protection. So revise the comments to accurately state the contexts in which these functions can be called. Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: NeilBrown <neilb@suse.com> Signed-off-by: David S. Miller <davem@davemloft.net>