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Micro-optimize arm64's uma_small_alloc()
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Authored by alc on Oct 19 2020, 11:38 PM.
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Details

Summary

Replace bzero(..., PAGE_SIZE) by pagezero(). Ultimately, they use the same method for bulk zeroing, but the generality of bzero() requires size and alignment checks that pagezero() does not.

Eliminate an unnecessary #include.

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rS FreeBSD src repository - subversion
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alc requested review of this revision.Oct 19 2020, 11:38 PM

Most other implementations also use bzero(), though on them pagezero() is nothing more than bzero(va, PAGE_SIZE) anyway.

This revision is now accepted and ready to land.Oct 20 2020, 2:36 AM

Most other implementations also use bzero(), though on them pagezero() is nothing more than bzero(va, PAGE_SIZE) anyway.

amd64 also uses pagezero().