Re: High UID support for Linux

H. Peter Anvin (
1 Dec 1998 17:26:45 GMT

Followup to: <>
By author: David Luyer <>
In newsgroup:
> I missed the start of this thread, but... glibc already uses 4-byte UIDs.
> This is a trauma my passwd gdbms and various hash functions have already gone
> through, to widen the field width, even though the extra 2 bytes can't be
> used yet. People who want libc5 can stick with old kernels too - glibc is
> ready AFAIK for high UID support already, people have already had to modify
> programs to make them work with it, so userspace shouldn't be given as a
> reason to hold the kernel back. (though, if nobody == -2 with high UIDs,
> that will really kill the size of quota files if they're still not allowed
> holes...)

Yes, we already discussed all that.


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