On Tue, Apr 18, 2023 at 02:41:07PM -0700, Hugh Dickins wrote: > On Tue, 18 Apr 2023, Luis Chamberlain wrote: > > On Mon, Apr 17, 2023 at 10:29:59PM -0700, Hugh Dickins wrote: > > > On Thu, 9 Mar 2023, Luis Chamberlain wrote: > > > > > > > Update the docs to reflect a bit better why some folks prefer tmpfs > > > > over ramfs and clarify a bit more about the difference between brd > > > > ramdisks. > > > > > > > > While at it, add THP docs for tmpfs, both the mount options and the > > > > sysfs file. > > > > > > Okay: the original canonical reference for THP options on tmpfs has > > > been Documentation/admin-guide/mm/transhuge.rst. You're right that > > > they would be helpful here too: IIRC (but I might well be confusing > > > with our Google tree) we used to have them documented in both places, > > > but grew tired of keeping the two in synch. You're volunteering to > > > do so! so please check now that they tell the same story. > > > > Hehe. Sure, we should just make one point to the other. Which one should > > be the authoritive source? > > Documentation/admin-guide/mm/transhuge.rst has been the authoritative > source up until this patch, so I suggest it remain so; but good if you > point to it from this Doc - unless in reading it you find that actually > its account is wrong. (Haha, it refers to fadvise too, never mind that.) Yeah I'll make the tmpfs kdoc point to the transhuge.rst page. I think that's possible. > But the man page is more important than either, so it would be good to > point to that too. Sure I'll have the tmpfs kdoc also point to the tmpfs man page. > Mention the "huge=" option in this document, but > point to elsewhere for the detail of its values. Sounds good. Luis
