On Mon, Jan 05, 2015 at 11:50:04AM -0800, Andy Lutomirski wrote: > On Mon, Jan 5, 2015 at 11:23 AM, One Thousand Gnomes > <gno...@lxorguk.ukuu.org.uk> wrote: > >> In the meantime, I created test that actually uses physical memory, > >> 8MB apart, as described in some footnote. It is attached. It should > >> work, but it needs boot with specific config options and specific > >> kernel parameters. > > > > Why not just use hugepages. You know the alignment guarantees for 1GB > > pages and that means you don't even need to be root > > > > In fact - should we be disabling 1GB huge page support by default at this > > point, at least on non ECC boxes ? > > Can you actually damage anyone else's data using a 1 GB hugepage?
hugetlbfs is a filesystem: the answer is yes. Although I don't see the issue as a big attach vector. -- Kirill A. Shutemov -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
