Messages in this thread | | | From | "H. Peter Anvin" <> | Subject | Re: Sharing memory between kernel and user space | Date | Tue, 30 May 2006 15:46:17 -0700 (PDT) |
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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.
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