> Are there any up-to-date libc implementations for which the > optimization *does* work? It appears that at least glibc and musl use > mmap and thereby defeat the optimization.
It works with MAP_32BIT. That was one of the reasons it was added originally. Or just passing a low search hint. > I don't think it's worth keeping around somewhat fragile code to > optimize a use case that no longer exists and for which removing the > extra code wouldn't break anything. ABIs are ABIs and are not up to removal. Also not everything you don't understand is up to removal. -Andi -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
