On Friday 06 June 2008 08:18:36 am Dag-Erling Smørgrav wrote: > Jeremy Chadwick <[EMAIL PROTECTED]> writes: > > That's great to hear, but the point I've made regarding kmem_size not > > being able to extend past 2GB (on i386 and amd64) still stands. I've > > looked at the code myself, in attempt to figure out where the actual > > limitation is, and the code is beyond my understanding. > > IIRC, it's a hardware limitation. Search the archives for "kmem_size" > and my name for a full explanation.
While global variables have to be within 2GB for %rip relative addressing, there's no reason malloc'd buffers can't be anywhere in the 64-bit address space since pointers are 64-bits. -- John Baldwin _______________________________________________ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
