Re: [PATCH v2 18/19] drivers: mem: Create file to access second half of 64-bit memory

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On Tue, Jan 29, 2019 at 12:48 AM Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote:
>
> On Mon, Jan 28, 2019 at 10:55:48PM -0800, Andrey Smirnov wrote:
> > In order to allow access to second half of address space on 64-bit
> > machines, add code that creates /dev/highmem dedicated for that.
>
> Very nice series, I applied it right away with the exception of this
> patch.

Cool, thanks!

> I don't like naming it "highmem" because normally this describes
> a hardware feature, namely a technique for reaching memory that is
> outside the CPUs address space. What we have here is a technique for
> reaching memory that is outside the range of a poorly chosen variable
> type ;)
>
> That said my alternative suggestions are not very striking and range
> from /dev/mem1 to /dev/uppermem or /dev/mem-upper. Any other ideas?
>

/dev/mem1 seems a bit less self-descriptive and might cause end user
confusion. Ether /dev/uppermem of /dev/mem-upper would probably be the
best. Let me know if you want me to re-spin the last patch with
either.

Thanks,
Andrey Smirnov

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