On Sat, 19 May 2007 11:15:01 -0700 William Lee Irwin III <[EMAIL PROTECTED]> wrote:
> Much the same holds for the atomic_t's; 32 + PAGE_SHIFT is > 44 bits or more, about as much as is possible, and one reference per > page per page is not even feasible. Full-length atomic_t's are just > not necessary. You can overflow a page's refcount by mapping it 4G times. That requires 32GB of pagetable memory. It's quite feasible with remap_file_pages(). - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/