On Mon, Aug 11, 2025 at 05:42:00PM -0400, Tal Zussman wrote: > Now that vboxsf_write_end() takes a folio, convert the kmap() call to > kmap_local_folio(). This removes two instances of &folio->page as > well. Oh; something I should have said. If you have an interest in vboxsf, it looks like there's a communication protocol that lets you pass in a physical address and length rather than a virtual address and length. Redesigning the Linux driver to use that would be a big win and we could drop the kmap calls entirely.
