typesizes and memory usage on 64bit vs. 32bit

[Michael Stahl]

On 11/04/12 11:30, Stephan Bergmann wrote:
> as there is no 
> process model for x86_64 with 32 bit addresses).

not yet anyway, there is a "x32" ABI under development, support for
which was recently merged into Linux 3.4 (but of course it's entirely
possible that this will never see actual use as it requires re-compiling
everything in user space):

http://lwn.net/Articles/456731/
http://sites.google.com/site/x32abi/

there is already a precendent for this, as for MIPS there is also an ABI
with 32bit pointers and 64bit registers ("N32").