On 05/22/2016 11:49 AM, John Paul Adrian Glaubitz wrote: > I have been playing a bit more and tried a dirty hack to convince mmap to not > ignore the hint, I just substracted random(), e.g.: > > ret = mmap(addr-random(), size, PROT_READ | PROT_WRITE, MAP_PRIVATE | > MAP_ANON, -1, 0); > > in memory/mozjemalloc/jemalloc.c in pages_map().
And, of course, for the mmap() calls in js/src/gc/Memory.cpp and js/src/jsapi-tests/ testGCAllocator.cpp, e.g. the calls for which NetBSD/sparc64 is tuned to use a hint for mmap() [1]. Adrian > [1] https://hg.mozilla.org/mozilla-central/rev/9ea1e520692e -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - [email protected] `. `' Freie Universitaet Berlin - [email protected] `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
