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From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no>
To: Chuck Swiger <cswiger@mac.com>
References: <20070921102946.T11189@borg> <46F415BF.9010500@FreeBSD.org>
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Date: Thu, 27 Sep 2007 08:00:40 +0200
In-Reply-To: <FDD4BD60-E7C8-4864-A6F5-F749304F3FF5@mac.com> (Chuck Swiger's
	message of "Wed\, 26 Sep 2007 11\:21\:27 -0700")
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Cc: Darren Reed <darrenr@freebsd.org>, Kris Kennaway <kris@FreeBSD.org>,
	freebsd-current@freebsd.org, Larry Rosenman <ler@lerctr.org>
Subject: Re: panic: kmem_malloc(131072): kmem_map too small (AMD64)
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Chuck Swiger <cswiger@mac.com> writes:
> I'm not certain whether FreeBSD's kernel memory allocator [malloc(9),
> zone(9)] even supports the notion of allocating pageable memory
> rather than memory taken from the fixed KVA region.  The manpage
> implies that calling kernel malloc with M_WAITOK will always return a
> valid pointer and not NULL, but I'm not convinced this is will be
> true if you try allocating something larger than the size of KVA and/
> or the amount of physical RAM available in the system.

malloc(M_WAITOK) will panic if the request is not satisfiable.  Where do
you think "kmem_map too small" comes from?

DES
--=20
Dag-Erling Sm=C3=B8rgrav - des@des.no