On Thu, 2006-03-30 at 10:18 -0800, Luck, Tony wrote: > > What about the earlier proposal of advancing at pmd and pud granule by > > walking the page table? There it can walk at 32MB/64GB step. > > That puts constraints on where the platform may align physical > memory. 32M may not be unreasonable (Can you even buy DIMMS that > small anymore?) But 64G is way too large. > > Since we only deal with blocks of memory in IA64_GRANULE_SIZE > pieces (16M or 64M) that would seem to be the natural skip > amount. Instead of tacking on yet another hack to vmem_map[], is this perhaps a time to think about moving to sparsemem on systems where you see these issues? Are there remaining issues that ia64 has with it? -- Dave - : send the line "unsubscribe linux-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
|