[openib-general] [PATCH] Convert idr's internal locking to _irqsave variant

[Arjan van de Ven]

On Thu, 2006-07-13 at 17:18 -0700, Roland Dreier wrote:
>     Arjan> it does get harder if this is needed for your IB device to
>     Arjan> do more work, so that your swap device on your IB can take
>     Arjan> more IO's to free up ram..
> 
> That's the classic problem, but it's more a matter of the consumer
> using GFP_NOIO in the right places.

GFP_NOIO isn't going to save you in the cases where the memory really is
running low and you need the memory to do more IO...