On Mon, Jan 15, 2024 at 11:08:45PM +0000, Matthew Wilcox wrote: > Wouldn't surprise me if netbsd/arm64 had decided to go with 64kB > PAGE_SIZE and 8kB fragments ... > > > FWIW, theoretically it might be possible to make that comparison with > > PAGE_SIZE instead of 4096 and require 16K or 64K pages for the kernel > > in question; that ought to work, modulo bugs in completely untested > > cases ;-/ > > > > Support with 4K pages is a different story - that would take much > > more surgery in fs/ufs. > > Possibly not too much more. With large folios, we're most of the way > to being able to support this. If there's real interest, we can look > at supporting large folios in UFS. Metadata handling will take some work. I've done some untangling in prep to that (see #work.ufs), but that's not all. And fun around tail unpacking is also not quite there.
