On Jan 31, 2014, at 11:46 AM, Martin Husemann <[email protected]> wrote:
> On Fri, Jan 31, 2014 at 03:03:21PM +0000, Justin Cormack wrote: >> Linux maps the kernel with 4MB pages to save TLB entries too, I believe. > > Yes, we do that too, but I guess wired kernel memory does not really > count for Matt's proposal. Correct. The above is of a more dynamic nature. > Sparc64 actually uses 4M, 64kb and 8kb pages for various wired kernel > mappings. I actually proposed a size to pmap_kenter so MD code could use larger pages for wired kernel pages.
