18 Apr
2003
18 Apr
'03
7:10 a.m.
* Larry McVoy wrote:
Right. Joy left Berkeley and joined Sun and the work
got done at Sun.
I'm pretty sure that SunOS 4.0 was the first release with mmap working
as it was described.
yes, i think so. I think 3.x had a special-purpose thing which would
only map devices (and maybe only framebuffers...)
I was at Sun for the 4.1 release; 4.0 was the new
VM system, and it wasn't "new" like "we changed some stuff", it
was new
as in everything was rewritten.
Or alternatively "new" as in "didn't work very well yet". I
remember
there were things you could do (and do quite easily) in 4.0.1 and
4.0.3 which left the system in a state where it thought it had several
K of memory for paging (and a lot of unused file buffers).
--tim