{"translation":"https://translate-dev.freebsd.org/api/translations/freebsd-doc/articles_vm-design/en/?format=json","source":["In regards to the memory overhead of a page table verses the <literal>pv_entry</literal> scheme: Linux uses <quote>permanent</quote> page tables that are not throw away, but does not need a <literal>pv_entry</literal> for each potentially mapped pte. FreeBSD uses <quote>throw away</quote> page tables but adds in a <literal>pv_entry</literal> structure for each actually-mapped pte. I think memory utilization winds up being about the same, giving FreeBSD an algorithmic advantage with its ability to throw away page tables at will with very low overhead."],"previous_source":"","target":["In regards to the memory overhead of a page table verses the <literal>pv_entry</literal> scheme: Linux uses <quote>permanent</quote> page tables that are not throw away, but does not need a <literal>pv_entry</literal> for each potentially mapped pte. FreeBSD uses <quote>throw away</quote> page tables but adds in a <literal>pv_entry</literal> structure for each actually-mapped pte. I think memory utilization winds up being about the same, giving FreeBSD an algorithmic advantage with its ability to throw away page tables at will with very low overhead."],"id_hash":-4674475454029827702,"content_hash":-4674475454029827702,"location":"article.translate.xml:808","context":"","note":"(itstool) path: answer/para","flags":"","labels":[],"state":100,"fuzzy":false,"translated":true,"approved":false,"position":98,"has_suggestion":false,"has_comment":false,"has_failing_check":false,"num_words":80,"source_unit":"https://translate-dev.freebsd.org/api/units/102137/?format=json","priority":100,"id":102137,"web_url":"https://translate-dev.freebsd.org/translate/freebsd-doc/articles_vm-design/en/?checksum=3f20ed574b44f18a","url":"https://translate-dev.freebsd.org/api/units/102137/?format=json","explanation":"","extra_flags":"","pending":false,"timestamp":"2019-10-20T12:20:04.151382Z"}