On Tue, 2015-07-28 at 07:44 +0200, Heinrich Schuchardt wrote:
> Hello David,
>
> >> A futex is in essence a 32-bit user-space address.
> I know what a 32 bit integer is.
> I am not aware of 32 bit addresses on my 64 bit operating system.
Well I am referring to in the context of a user-space address, such as a
32-bit lock ('int'), but yes, my text is misleading. In fact we
obviously need to cast to the word size for doing gup_fast, among other
tasks.
Thanks,
Davidlohr
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