On Wed, Mar 15, 2017 at 1:13 PM, Andrey Chernov <a...@freebsd.org> wrote: > On 15.03.2017 16:06, Steven Chamberlain wrote: >> Also it is great to see INHERIT_ZERO was added to mmap(2)! > > It is not so great. For a program which forks very often zeroing even > one page will be slowdown. It will be better and faster to implement it > as fork syscall wrapper setting single variable, as it already done for > threaded lib.
I think it's exactly what it was done (and unlike a fork wrapper, the zeroing only happens on-demand, i.e. when the page is first touched). Cheers, _______________________________________________ freebsd-security@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-security To unsubscribe, send any mail to "freebsd-security-unsubscr...@freebsd.org"
