[Bug 293382] Dead lock and kernel crash around closefp_impl

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 30 Mar 2026 13:22:46 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=293382

--- Comment #32 from Paul <devgs@ukr.net> ---
Just to clarify, due to features of modular arithmetic:

  544408 mod 2^n == 138904 mod 2^n

  for n in [0, 12]

So this might as well be a much greater coincidence (them having same modulo up
to 2^12) and the real magic number here is smaller than 4096, like 1024, or:

#define   KN_HASHSIZE             64              /* XXX should be tunable */

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