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powerof2: replace loops with fls or ilog2

Description

powerof2: replace loops with fls or ilog2

In several places, a loop tests for powers of two, or iterates through
powers of two. In those places, replace the loop with an invocation
of fls or ilog2 without changing the meaning of the code.

Reviewed by: alc, markj, kib, np, erj, avg (previous version)
Differential Revision: https://reviews.freebsd.org/D45494

Details

Provenance
dougmAuthored on Jun 12 2024, 9:26 AM
Reviewer
alc
Differential Revision
D45494: powerof2: replace loops with fls or ilog2
Parents
rGa880104a21bf: swap_pager: add new page range struct
Branches
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Tags
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