[dm-devel] Re: [PATCH] dm.c : Check memory allocations

[Kevin Corry <corry ecn purdue edu>]

> 
> On Fri, Dec 27, 2002 at 04:55:31PM -0500, Kevin Corry wrote:
> > Check memory allocations when cloning bio's.
> 
> Rejected, clone_bio() cannot fail since it's allocating from a mempool
> with __GFP_WAIT set.
> 
> - Joe

Hmm. Yep. I must have mistaken GFP_NOIO for GFP_ATOMIC.

But based on that reasoning, shouldn't the bio_alloc() call
in split_bvec() always return a valid bio, and hence make the
checks in split_bvec() and __clone_and_map() unnecessary?

Kevin