> The proper solution would be to rewrite mmap.c to be smarter (perhaps > by looking at /proc/self/maps and reserving a lot of space with PROT_NONE > mappings at startup and then managing it itself), but so far nobody's > done that
Yes they have. That's what -R does. We used to try and parse /proc/self/maps. This caused more problems than it solved. It doesn't cover things like mmap_min_addr, and you have to re-parse it before every allocation in case the host libc allocated something new in between. Paul
