On 28.10.2022 17:27, George Dunlap wrote: > On Thu, Oct 27, 2022 at 8:12 AM Jan Beulich <[email protected]> wrote: > >> On 26.10.2022 21:22, Andrew Cooper wrote: >>> On 26/10/2022 14:42, Jan Beulich wrote: >> > > >>> paging isn't a great name. While it's what we call the infrastructure >>> in x86, it has nothing to do with paging things out to disk (the thing >>> everyone associates the name with), nor the xenpaging infrastructure >>> (Xen's version of what OS paging supposedly means). >> >> Okay, "paging" can be somewhat misleading. But "p2m" also doesn't fit >> the use(s) on x86. Yet we'd like to use a name clearly better than the >> previous (and yet more wrong/misleading) "shadow". I have to admit that >> I can't think of any other sensible name, and among the ones discussed >> I still think "paging" is the one coming closest despite the >> generally different meaning of the word elsewhere. >> > > Inside the world of operating systems / hypervisors, "paging" has always > meant "things related to a pagetable"; this includes "paging out to disk". > In fact, the latter already has a perfectly good name -- "swap" (e.g., swap > file, swappiness, hypervisor swap). > > Grep for "paging" inside of Xen. We have the paging lock, paging modes, > nested paging, and so on. There's absolutely no reason to start thinking > of "paging" as exclusively meaning "hypervisor swap".
Just to clarify: You actually support my thinking that "paging" is an okay term to use here? I ask because, perhaps merely because of not being a native speaker, to me content and wording suggest different things: The former appears to support my response to Andrew, while the latter reads to me as if you were objecting. Jan
