Hi Artem, Tijl, On Tue, 20 Dec 2011 09:27:43 -0800, Artem Belevich wrote > Something like that. [...] > These days malloc() by default uses mmap, so if you don't force it to > use sbrk() you can probably lower MAXDSIZE and let kernel use most > of address space for hinted mmaps. > [...]
On Tue, 20 Dec 2011 18:45:08 +0100, Tijl Coosemans wrote > I don't know about NetBSD but Linux maps from the stack > downwards when there's no hint and FreeBSD maps from the > program upwards. [...] > malloc(3) used to be implemented on top of brk(2) so the size was > increased on amd64 so you could malloc more memory. Nowadays malloc > can use mmap(2) so a large datasize isn't really needed anymore. I will use setrlimit(2) to lower datasize then. Thanks a lot for your time and explanations, Best regards, -- Ganael LAPLANCHE <ganael.laplan...@martymac.org> http://www.martymac.org | http://contribs.martymac.org FreeBSD: martymac <marty...@freebsd.org>, http://www.FreeBSD.org _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"
