> The shift from "long long" to a 32-bit "index" has to be done somewhere
> anyway - the 32-bit index is the internal kernel way of doing things, and
> makes perfect sense. So why not just do it in user space - that way people
> who want to be clever CAN be clever (imagine a compiler that inlined the
> shift and combined it with some other operation done on that argument).
Is it a good idea to expect userspace to assume PAGE_SIZE/PAGE_SHIFT are
constants? Don't some architectures have variable page sizes?
Simon-
[ Stormix Technologies Inc. ][ NetNation Communcations Inc. ]
[ sim@stormix.com ][ sim@netnation.com ]
[ Opinions expressed are not necessarily those of my employers. ]
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