On Thu, 12 Oct 2006, Luck, Tony wrote: > > So, the size of the virtual memory map is always less than 8 Terabyte. > > 32 TB for 4K pagesize using current physical address space limit and > existing Linux sizeof(struct page) Ok. Well in that unlikely case we can probably sacrifice more? > > I think its reasonable to take these 8 Terabyte away from the 128 Terabyte > > that we currently reserve for support for VMALLOC space. > > Does it still sound as good to take 32/128 TB? What if the physical > address space gets another 4 bits ... even with a 16K pagesize you'd > need the whole 128TB. The limits discussed here are for 3 level page tables. All of this gets much bigger with 4 level page tables. - To unsubscribe from this list: 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
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