19 Dec
2012
19 Dec
'12
1:47 p.m.
Correct. Not having it is expensive, and adds difficulties to the SW. This is why
wnj created/implemented vfork(2) for 4.1. While most codes could just s/fork/vfork/
careful reading needed to occur and some rewriting needed to happen. The HW guys finally
relented.
On Wed, Dec 19, 2012 at 7:08 AM, Johnny Billquist <bqt at softjar.se> wrote:
Well, what it lacks (and I'm sure you know this) is really a modified bit in the page
table.