Re: bitmaps/bitops

[Pete Zaitcev]

> but the prototype for test_and_set_bit() depends on $(ARCH), and it's
> not consistent, with the second arg (bitmap address) being one of:
>   volatile void *
>   void *
>   volatile unsigned long *

It should be unsigned long pointer. I have no idea why
volatile is still alive. Perhaps Linus can remember why he
left it in on is386. Other arch maintainers midnlessly ape him
in this area. I think I even kept his e-mail where he explains
why volatile has to go.

-- Pete