Messages in this thread | | | Date | Sat, 20 Mar 2004 19:13:55 -0800 | From | Chris Wedgwood <> | Subject | Re: can device drivers return non-ram via vm_ops->nopage? |
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On Sat, Mar 20, 2004 at 09:39:51AM -0800, Linus Torvalds wrote:
> If a driver wants to map non-RAM pages, that's perfectly ok, but it > MUST NOT happen through "nopage()". The driver should map them with > "remap_page_range()", and thus never take a page fault for such > pages at all.
This is what the fetchop driver does.
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