From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: Sharing memory between kernel and user space
Date: Tue, 30 May 2006 15:46:17 -0700 (PDT) [thread overview]
Message-ID: <e5ihvp$qd1$1@terminus.zytor.com> (raw)
In-Reply-To: 14CFC56C96D8554AA0B8969DB825FEA0012B331A@chicken.machinevisionproducts.com
Followup to: <14CFC56C96D8554AA0B8969DB825FEA0012B331A@chicken.machinevisionproducts.com>
By author: "Brian D. McGrew" <brian@visionpro.com>
In newsgroup: linux.dev.kernel
>
> I have a question about the best way to share memory between user and
> kernel space.
>
In general, allocate the memory in kernel space (via get_free_page et
al), and make accessible to userspace via mmap on a device node.
-hpa
next prev parent reply other threads:[~2006-05-30 22:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-30 22:32 Sharing memory between kernel and user space Brian D. McGrew
2006-05-30 22:46 ` H. Peter Anvin [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-05-30 22:53 Brian D. McGrew
2006-05-30 23:21 ` Christopher Friesen
2006-05-31 12:33 ` Jonathan Corbet
2006-05-31 0:09 Brian D. McGrew
2006-05-31 20:38 Brian D. McGrew
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