Re: get_vm_area and GFP_KERNEL

Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 29 Dec 1998 22:46:17 +0000 (GMT)

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> So why have the restriction on when device memory can be mapped? Or why not
> create a variant of ioremap/vremap with a "priority" parameter so that I can
> have some control over this?

Think about MMU and cache coherency. Map in advance, use in the IRQ

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