munmap.2 inconsistency ?
Tim Robbins
tjr at freebsd.org
Fri Feb 6 14:17:18 PST 2004
On Fri, Feb 06, 2004 at 12:03:23PM -0800, Luigi Rizzo wrote:
> hi,
> browsing through the munmap() page, it says
> Munmap() will fail if:
>
> [EINVAL] The addr parameter was not page aligned, the len
> ...
>
> now, i have verified that munmap works fine with any address returned
> by mmap, even if not aligned, at least on a recent -STABLE.
>
> As i assume that passing munmap() the same address returned by mmap()
> is common behaviour, should we rephrase the manpage ?
This could have slipped in from POSIX, which requires page-aligned
addresses and lengths to mmap() & friends. I believe SVR4 also
requires this. But yes, the manual pages should be corrected.
Tim
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