64-bit Kernel Question
Matej Cepl
mcepl at redhat.com
Mon Mar 9 17:33:19 UTC 2009
On 2009-03-09, 17:00 GMT, Adam Williamson wrote:
> Running x86-64 basically uses twice as much RAM for any given
> workload as running x86-32 would.
Sorry, but that's just not true -- the only data types which are
twice as big on x86_64 than on i386 are pointers and (I believe)
long int. Every other primitive C type else remains the same in
size. There was a long discussion of this on fedora-devel (I
believe) couple of weeks ago.
Matěj
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