On Nov 26, 2015 6:35 PM, "erik quanstrom" <quans...@quanstro.net> wrote:
> > By the way, are there any structs more than 4K in Linux? Are there any in plan 9? > > since that 4k is really pagesz, on amd64 that would be 2mb. there's no compelling reason on > 64-bit machines to start at the bottom instead of the middle. IIRC i think there was a special case with PAE as well so to speak for Linux where 36-bit is used from CPU. I remember that in that case pud, pmd and pgd are used but 0 page map is treated as a more kernel specific implementation Though i might be wrong.
