"H. Peter Anvin" <[EMAIL PROTECTED]> writes: > Avi Kivity wrote: >>> >>> It definitely should, especially on x86-64, where the page size isn't >>> guaranteed by the ABI (on i386, the ABI guarantees a 4K page size; on x86-64 >>> it can be up to 64K.) >> >> Wouldn't that be ia64? > > No, the x86-64 EFI ABI permits page sizes up to 64K. Currently, of course, > the > only page size in use is 4K, but unlike i386 that's not guaranteed by the ABI. > At least AMD has indicated that they are considering introducing larger page > size support in future hardware.
EFI ABI? Don't you mean the SYSV ABI right. That does seem to indicate that 64K is an option. And at a quick glance glibc is using 1M alignment on program segments so it looks like there is at least a reasonable chance of being able to make the transition to a bigger page size for user space. Eric - 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/