[Bug 168213] [kernel] why is the type of ub_cnt signed in uma_int.h?
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Date: Fri, 10 Jan 2025 19:01:17 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=168213
Mark Johnston <markj@FreeBSD.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |markj@FreeBSD.org
Resolution|--- |Not A Bug
Status|Open |Closed
--- Comment #2 from Mark Johnston <markj@FreeBSD.org> ---
They could be made unsigned, but the maximum values are in practice much
smaller than the limits imposed by the type. In particular, ub_cnt and
ub_entries are int16_t, but the largest bucket size is 256 (see bucket zones)
and is unlikely to ever grow past 512 in the future. In this case, it's fairly
ordinary to use signed types.
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