Messages in this thread | | | From | (david parsons) | Subject | Re: Migrating to larger numbers | Date | 7 Jun 1999 12:41:44 -0700 |
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In article <linux.kernel.375B224A.6F78B302@transmeta.com>, H. Peter Anvin <hpa@transmeta.com> wrote: (dev_t)
> I suggest, as you say, a 32:32 split (it's simple).
4 billion major numbers?
I'd think a 12:20 split (and a 32-bit number, which has the advantage of being standard C and not depending on gcc or some yet-unapproved standard of the week) would be far more sensible for moderately-sized system (who is going to remember all of these major and minor numbers? I'm still occasionally being bitten by the reworking of the ide1 major number) while something like devfs where the device drivers actually export their interfaces to userspace would be a more maintainable long-term solution.
____ david parsons \bi/ bitten this week by pcmcia (open_dev needing \/ /tmp) and ide1 (1995 MAKEDEV in Mastodon)
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