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SubjectRe: [RFC][PATCH] introduce ptr_diff()
On Don, 2010-08-19 at 14:59 +0200, Andi Kleen wrote:
> > If so, the warning seems valid as sizeof(struct page) is probably not
> > (always) a power of 2. On a native build on x86_64 it is 56 bytes
> > hereover.
> > Hmm ....
> gcc just generats a mull with inverted value. mull is cheap on any
> reasonable CPU. Please fix sparse.

Not that I really know the code of sparse but what would be an
acceptable condition (except plain simply disabling/removing the warning
as such)?
No warning if it's a constant value (read: explicit or sizeof())?

Bernd Petrovitsch Email :

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