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SubjectRe: More on bigger kdev_t
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Alan Cox wrote:
> > > isn't (and has the same type checking benefits)
> >
> > User space is already carrying around 64-bit dev_t. Let's make the
> > kernelside type match: 32 bit minor and major both.
>
> The kernel makes quite heavy use of kdev_t. That means carrying around
> expensive to handle multi-register objects is right out

... so that would mean we should use a pointer to the structure
instead of directly passing the structure.

I just don't want to see us have to transition userland twice.

zw

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