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SubjectRe: wonderffffffffull ac filemap patch
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On Thu, 2003-03-27 at 17:33, Hugh Dickins wrote:
> Here's a patch I've stolen from 2.4-ac, which is clearly correct so
> far as it goes. I keep wanting to get this integrated into 2.4 and
> 2.5, then bring shmem.c into line (in 2.5 use generic_write_checks).
>
> But each time I approach it, I get stuck on trying to understand the
> code it's a good patch to. I understand that there's a problem with
> loff_t twice as wide as rlim, and that we need to trim count down near
> the limit. But I don't understand why 0xFFFFFFFFULL and (u32) rather
> than RLIM_INFINITY and (unsigned long): are we really trying to
> cripple 64-bit arches here?

For 2.4 I just wanted to handle what we had and fix up the spec violations.
For 2.5.x rlimit64 is calling 8)

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