Date: Wed, 10 Jul 1996 18:57:11 -0500 (EST) From: "John S. Dyson" <toor@dyson.iquest.net> To: terry@lambert.org (Terry Lambert) Cc: nate@mt.sri.com, jpbelang@crim.ca, freebsd-questions@FreeBSD.org Subject: Re: kernel malloc question Message-ID: <199607102357.SAA06850@dyson.iquest.net> In-Reply-To: <199607102334.QAA27730@phaeton.artisoft.com> from "Terry Lambert" at Jul 10, 96 04:34:09 pm
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> > > This is a beginner device driver question: > > > The kernel malloc returns physical memory (non swappable), right? > > > Is there any way to get virtual memory ? > > > > Since the kernel can't be swapped, why would you want virtual memory? > > The driver can't be 'swapped', so virtual buys you nothing. > > I could see wanting to allocate per process memory, rather than > globally allocating memory, in a multiple use driver. > Our pipe buffers are pageable... John
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