On Tue, Dec 13, 2016 at 8:45 AM, David Howells <dhowe...@redhat.com> wrote: > Andy Lutomirski <l...@amacapital.net> wrote: > >> After all, rodata is ordinary memory, is backed by struct page, etc. > > Is that actually true? I thought some arches excluded the kernel image from > the page struct array to make the array consume less memory.
I don't know whether you're right, but that sounds a bit silly to me. This is a *tiny* amount of memory. But there's yet another snag. Alpha doesn't have empty_zero_page -- it only has ZERO_PAGE. I could do page_address(ZERO_PAGE(0))... --Andy
