malloc(M_NOWAIT) issues.

[Hiten Pandya]

Max Laier wrote:
FWIW, mbuf(9) alloc functions need a redo with similar resoning. There are 
many places where a failed mget() will cause a panic.
	Especially, the NFS code seems to like doing unchcked/unsafe
	mbuf allocations, and then getting messed half-way somewhere
	else.  I have some patches for this which I will commit some
	time once I get back into the loop.
	Thanks and regards,

	-- Hiten